- fix EFI framebuffer earlycon for wide fonts
- avoid filling screen_info with garbage if the EFI framebuffer is not
available
- fix a potential host tool build error due to a symbol clash on x86
- work around a EFI firmware bug regarding the binary format of the TPM
final events table
- fix a missing memory free by reworking the E820 table sizing routine to
not do the allocation in the first place
- add CPER parsing for firmware errors
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Merge tag 'efi-fixes-for-v5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/urgent
Pull EFI fixes from Ard Biesheuvel:
"- fix EFI framebuffer earlycon for wide fonts
- avoid filling screen_info with garbage if the EFI framebuffer is not
available
- fix a potential host tool build error due to a symbol clash on x86
- work around a EFI firmware bug regarding the binary format of the TPM
final events table
- fix a missing memory free by reworking the E820 table sizing routine to
not do the allocation in the first place
- add CPER parsing for firmware errors"
This fixes the boot issues since 5.3 on several Dell models when the TPM
is enabled. Depending on the exact grub binary, booting the kernel would
freeze early, or just report an error parsing the final events log.
We get an event log in the SHA-1 format, which doesn't have a
tcg_efi_specid_event_head in the first event, and there is a final events
table which doesn't match the crypto agile format.
__calc_tpm2_event_size reads bad "count" and "efispecid->num_algs", and
either fails, or loops long enough for the machine to be appear frozen.
So we now only parse the final events table, which is per the spec always
supposed to be in the crypto agile format, when we got a event log in this
format.
Fixes: c46f340569 ("tpm: Reserve the TPM final events table")
Fixes: 166a2809d6 ("tpm: Don't duplicate events from the final event log in the TCG2 log")
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1779611
Signed-off-by: Loïc Yhuel <loic.yhuel@gmail.com>
Link: https://lore.kernel.org/r/20200512040113.277768-1-loic.yhuel@gmail.com
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Matthew Garrett <mjg59@google.com>
[ardb: warn when final events table is missing or in the wrong format]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Pull up arch-specific prototype efi_systab_show_arch() in order to
fix a -Wmissing-prototypes warning:
arch/x86/platform/efi/efi.c:957:7: warning: no previous prototype for
‘efi_systab_show_arch’ [-Wmissing-prototypes]
char *efi_systab_show_arch(char *str)
Signed-off-by: Benjamin Thiel <b.thiel@posteo.de>
Link: https://lore.kernel.org/r/20200516132647.14568-1-b.thiel@posteo.de
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
While debugging a boot failure, the following unknown error record was
seen in the boot logs.
<...>
BERT: Error records from previous boot:
[Hardware Error]: event severity: fatal
[Hardware Error]: Error 0, type: fatal
[Hardware Error]: section type: unknown, 81212a96-09ed-4996-9471-8d729c8e69ed
[Hardware Error]: section length: 0x290
[Hardware Error]: 00000000: 00000001 00000000 00000000 00020002 ................
[Hardware Error]: 00000010: 00020002 0000001f 00000320 00000000 ........ .......
[Hardware Error]: 00000020: 00000000 00000000 00000000 00000000 ................
[Hardware Error]: 00000030: 00000000 00000000 00000000 00000000 ................
<...>
On further investigation, it was found that the error record with
UUID (81212a96-09ed-4996-9471-8d729c8e69ed) has been defined in the
UEFI Specification at least since v2.4 and has recently had additional
fields defined in v2.7 Section N.2.10 Firmware Error Record Reference.
Add support for parsing and printing the defined fields to give users
a chance to figure out what went wrong.
Signed-off-by: Punit Agrawal <punit1.agrawal@toshiba.co.jp>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: James Morse <james.morse@arm.com>
Cc: linux-acpi@vger.kernel.org
Cc: linux-efi@vger.kernel.org
Link: https://lore.kernel.org/r/20200512045502.3810339-1-punit1.agrawal@toshiba.co.jp
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
In allocate_e820(), call the EFI get_memory_map() service directly
instead of indirectly via efi_get_memory_map(). This avoids allocation
of a buffer and return of the full EFI memory map, which is not needed
here and would otherwise need to be freed.
Routine allocate_e820() only needs to know how many EFI memory
descriptors there are in the map to allocate an adequately sized
e820ext buffer, if it's needed. Note that since efi_get_memory_map()
returns a memory map buffer sized with extra headroom, allocate_e820()
now needs to explicitly factor that into the e820ext size calculation.
Signed-off-by: Lenny Szubowicz <lszubowi@redhat.com>
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
When I play with terminus fonts I noticed the efi early printk does
not work because the earlycon code assumes font width is 8.
Here add the code to adapt with larger fonts. Tested with all kinds
of kernel built-in fonts on my laptop. Also tested with a local draft
patch for 14x28 !bold terminus font.
Signed-off-by: Dave Young <dyoung@redhat.com>
Link: https://lore.kernel.org/r/20200412024927.GA6884@dhcp-128-65.nay.redhat.com
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
It seems that for whatever reason, gcc-10 ends up not inlining a couple
of functions that used to be inlined before. Even if they only have one
single callsite - it looks like gcc may have decided that the code was
unlikely, and not worth inlining.
The code generation difference is harmless, but caused a few new section
mismatch errors, since the (now no longer inlined) function wasn't in
the __init section, but called other init functions:
Section mismatch in reference from the function kexec_free_initrd() to the function .init.text:free_initrd_mem()
Section mismatch in reference from the function tpm2_calc_event_log_size() to the function .init.text:early_memremap()
Section mismatch in reference from the function tpm2_calc_event_log_size() to the function .init.text:early_memunmap()
So add the appropriate __init annotation to make modpost not complain.
In both cases there were trivially just a single callsite from another
__init function.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently, setup_graphics() ignores the return value of efi_setup_gop(). As
AllocatePool() does not zero out memory, the screen information table will
contain uninitialized data in this case.
We should free the screen information table if efi_setup_gop() returns an
error code.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Link: https://lore.kernel.org/r/20200426194946.112768-1-xypron.glpk@gmx.de
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Here are some small firmware/driver core/debugfs fixes for 5.7-rc3.
The debugfs change is now possible as now the last users of
debugfs_create_u32() have been fixed up in the different trees that got
merged into 5.7-rc1, and I don't want it creeping back in.
The firmware changes did cause a regression in linux-next, so the final
patch here reverts part of that, re-exporting the symbol to resolve that
issue. All of these patches, with the exception of the final one, have
been in linux-next with only that one reported issue.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are some small firmware/driver core/debugfs fixes for 5.7-rc3.
The debugfs change is now possible as now the last users of
debugfs_create_u32() have been fixed up in the different trees that
got merged into 5.7-rc1, and I don't want it creeping back in.
The firmware changes did cause a regression in linux-next, so the
final patch here reverts part of that, re-exporting the symbol to
resolve that issue. All of these patches, with the exception of the
final one, have been in linux-next with only that one reported issue"
* tag 'driver-core-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
firmware_loader: revert removal of the fw_fallback_config export
debugfs: remove return value of debugfs_create_u32()
firmware_loader: remove unused exports
firmware: imx: fix compile-testing
A few smaller fixes for v5.7-rc3: The majority are fixes for bugs I found
after restarting my randconfig build testing that had been dormant for
a while.
On the Nokia N950/N9 phone, a DT fix is required to address a boot
regression.
For the bcm283x (Raspberry Pi), two DT fixes address minor issues.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"A few smaller fixes for v5.7-rc3: The majority are fixes for bugs I
found after restarting my randconfig build testing that had been
dormant for a while.
On the Nokia N950/N9 phone, a DT fix is required to address a boot
regression.
For the bcm283x (Raspberry Pi), two DT fixes address minor issues"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
soc: imx8: select SOC_BUS
soc: tegra: fix tegra_pmc_get_suspend_mode definition
soc: fsl: dpio: avoid stack usage warning
soc: fsl: dpio: fix incorrect pointer conversions
ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y
ARM: dts: bcm283x: Disable dsi0 node
firmware: xilinx: make firmware_debugfs_root static
drivers: soc: xilinx: fix firmware driver Kconfig dependency
ARM: dts: bcm283x: Add cells encoding format to firmware bus
ARM: dts: OMAP3: disable RNG on N950/N9
It is nice to allow compile-testing the firmware drivers, but this
fails when the dependency is a loadable module:
aarch64-linux-ld: drivers/firmware/imx/scu-pd.o: in function `imx_sc_pd_power':
scu-pd.c:(.text+0xd8): undefined reference to `imx_scu_call_rpc'
aarch64-linux-ld: scu-pd.c:(.text+0x108): undefined reference to `imx_scu_call_rpc'
aarch64-linux-ld: drivers/firmware/imx/scu-pd.o: in function `imx_sc_pd_probe':
Change the dependencies to ensure that any driver we depend on is
either reachable or we are compile-testing and it is disabled,
effectively reverting most of the previous changes that turned
out to be incorrect.
Fixes: a9f85f93ed ("firmware: imx: add COMPILE_TEST support")
Fixes: 5b00b83754 ("firmware: imx: add COMPILE_TEST for IMX_SCU driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200408190314.695067-1-arnd@arndb.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix the following sparse warning:
drivers/firmware/xilinx/zynqmp-debug.c:38:15: warning: symbol
'firmware_debugfs_root' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Link: https://lore.kernel.org/r/20200415084311.24857-1-yanaijie@huawei.com
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Arnd reports that commit
9302c1bb8e ("efi/libstub: Rewrite file I/O routine")
reworks the file I/O routines in a way that triggers the following
warning:
drivers/firmware/efi/libstub/file.c:240:1: warning: the frame size
of 1200 bytes is larger than 1024 bytes [-Wframe-larger-than=]
We can work around this issue dropping an instance of efi_char16_t[256]
from the stack frame, and reusing the 'filename' field of the file info
struct that we use to obtain file information from EFI (which contains
the file name even though we already know it since we used it to open
the file in the first place)
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200409130434.6736-8-ardb@kernel.org
Commit
d5cdf4cfea ("efi/x86: Don't relocate the kernel unless necessary")
tries to avoid relocating the kernel in the EFI stub as far as possible.
However, when systemd-boot is used to boot a unified kernel image [1],
the image is constructed by embedding the bzImage as a .linux section in
a PE executable that contains a small stub loader from systemd that will
call the EFI stub handover entry, together with additional sections and
potentially an initrd. When this image is constructed, by for example
dracut, the initrd is placed after the bzImage without ensuring that at
least init_size bytes are available for the bzImage. If the kernel is
not relocated by the EFI stub, this could result in the compressed
kernel's startup code in head_{32,64}.S overwriting the initrd.
To prevent this, unconditionally relocate the kernel if the EFI stub was
entered via the handover entry point.
[1] https://systemd.io/BOOT_LOADER_SPECIFICATION/#type-2-efi-unified-kernel-images
Fixes: d5cdf4cfea ("efi/x86: Don't relocate the kernel unless necessary")
Reported-by: Sergey Shatunov <me@prok.pw>
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200406180614.429454-2-nivedita@alum.mit.edu
Link: https://lore.kernel.org/r/20200409130434.6736-5-ardb@kernel.org
Commit
3ee372ccce ("x86/boot/compressed/64: Remove .bss/.pgtable from bzImage")
removed the .bss section from the bzImage.
However, while a PE loader is required to zero-initialize the .bss
section before calling the PE entry point, the EFI handover protocol
does not currently document any requirement that .bss be initialized by
the bootloader prior to calling the handover entry.
When systemd-boot is used to boot a unified kernel image [1], the image
is constructed by embedding the bzImage as a .linux section in a PE
executable that contains a small stub loader from systemd together with
additional sections and potentially an initrd. As the .bss section
within the bzImage is no longer explicitly present as part of the file,
it is not initialized before calling the EFI handover entry.
Furthermore, as the size of the embedded .linux section is only the size
of the bzImage file itself, the .bss section's memory may not even have
been allocated.
In particular, this can result in efi_disable_pci_dma being true even
when it was not specified via the command line or configuration option,
which in turn causes crashes while booting on some systems.
To avoid issues, place all EFI stub global variables into the .data
section instead of .bss. As of this writing, only boolean flags for a
few command line arguments and the sys_table pointer were in .bss and
will now move into the .data section.
[1] https://systemd.io/BOOT_LOADER_SPECIFICATION/#type-2-efi-unified-kernel-images
Fixes: 3ee372ccce ("x86/boot/compressed/64: Remove .bss/.pgtable from bzImage")
Reported-by: Sergey Shatunov <me@prok.pw>
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200406180614.429454-1-nivedita@alum.mit.edu
Link: https://lore.kernel.org/r/20200409130434.6736-4-ardb@kernel.org
A collection of small fixes gathered since the previous update.
* ALSA core:
- Regression fix for OSS PCM emulation
* ASoC:
- Trivial fixes in reg bit mask ops, DAPM, DPCM and topology
- Lots of fixes for Intel-based devices
- Minor fixes for AMD, STM32, Qualcomm, Realtek
* Others
- Fixes for the bugs in mixer handling in HD-audio and ice1724
drivers that were caught by the recent kctl validator
- New quirks for HD-audio and USB-audio
Also this contains a fix for EDD firmware fix, which slipped
from anyone's hands.
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Merge tag 'sound-fix-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes gathered since the previous update.
ALSA core:
- Regression fix for OSS PCM emulation
ASoC:
- Trivial fixes in reg bit mask ops, DAPM, DPCM and topology
- Lots of fixes for Intel-based devices
- Minor fixes for AMD, STM32, Qualcomm, Realtek
Others:
- Fixes for the bugs in mixer handling in HD-audio and ice1724
drivers that were caught by the recent kctl validator
- New quirks for HD-audio and USB-audio
Also this contains a fix for EDD firmware fix, which slipped from
anyone's hands"
* tag 'sound-fix-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (35 commits)
ALSA: hda: Add driver blacklist
ALSA: usb-audio: Add mixer workaround for TRX40 and co
ALSA: hda/realtek - Add quirk for MSI GL63
ALSA: ice1724: Fix invalid access for enumerated ctl items
ALSA: hda: Fix potential access overflow in beep helper
ASoC: cs4270: pull reset GPIO low then high
ALSA: hda/realtek - Add HP new mute led supported for ALC236
ALSA: hda/realtek - Add supported new mute Led for HP
ASoC: rt5645: Add platform-data for Medion E1239T
ASoC: Intel: bytcr_rt5640: Add quirk for MPMAN MPWIN895CL tablet
ASoC: stm32: sai: Add missing cleanup
ALSA: usb-audio: Add registration quirk for Kingston HyperX Cloud Alpha S
ASoC: Intel: atom: Fix uninitialized variable compiler warning
ASoC: Intel: atom: Check drv->lock is locked in sst_fill_and_send_cmd_unlocked
ASoC: Intel: atom: Take the drv->lock mutex before calling sst_send_slot_map()
ASoC: SOF: Turn "firmware boot complete" message into a dbg message
ALSA: usb-audio: Add Pioneer DJ DJM-250MK2 quirk
ALSA: pcm: oss: Fix regression by buffer overflow fix (again)
ALSA: pcm: oss: Fix regression by buffer overflow fix
edd: Use scnprintf() for avoiding potential buffer overflow
...
- Ensure that the compiler and linker versions are aligned so that ld
doesn't complain about not understanding a .note.gnu.property section
(emitted when pointer authentication is enabled).
- Force -mbranch-protection=none when the feature is not enabled, in
case a compiler may choose a different default value.
- Remove CONFIG_DEBUG_ALIGN_RODATA. It was never in defconfig and rarely
enabled.
- Fix checking 16-bit Thumb-2 instructions checking mask in the
emulation of the SETEND instruction (it could match the bottom half of
a 32-bit Thumb-2 instruction).
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Ensure that the compiler and linker versions are aligned so that ld
doesn't complain about not understanding a .note.gnu.property section
(emitted when pointer authentication is enabled).
- Force -mbranch-protection=none when the feature is not enabled, in
case a compiler may choose a different default value.
- Remove CONFIG_DEBUG_ALIGN_RODATA. It was never in defconfig and
rarely enabled.
- Fix checking 16-bit Thumb-2 instructions checking mask in the
emulation of the SETEND instruction (it could match the bottom half
of a 32-bit Thumb-2 instruction).
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: armv8_deprecated: Fix undef_hook mask for thumb setend
arm64: remove CONFIG_DEBUG_ALIGN_RODATA feature
arm64: Always force a branch protection mode when the compiler has one
arm64: Kconfig: ptrauth: Add binutils version check to fix mismatch
init/kconfig: Add LD_VERSION Kconfig
These are the usual updates for SoC specific device drivers and related
subsystems that don't have their own top-level maintainers:
- ARM SCMI/SCPI updates to allow pluggable transport layers
- TEE subsystem cleanups
- A new driver for the Amlogic secure power domain controller
- Various driver updates for the NXP Layerscape DPAA2, NXP i.MX SCU and
TI OMAP2+ sysc drivers.
- Qualcomm SoC driver updates, including a new library module for
"protection domain" notifications
- Lots of smaller bugfixes and cleanups in other drivers
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-drivers-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Arnd Bergmann:
"These are the usual updates for SoC specific device drivers and
related subsystems that don't have their own top-level maintainers:
- ARM SCMI/SCPI updates to allow pluggable transport layers
- TEE subsystem cleanups
- A new driver for the Amlogic secure power domain controller
- Various driver updates for the NXP Layerscape DPAA2, NXP i.MX SCU
and TI OMAP2+ sysc drivers.
- Qualcomm SoC driver updates, including a new library module for
"protection domain" notifications
- Lots of smaller bugfixes and cleanups in other drivers"
* tag 'arm-drivers-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (70 commits)
soc: fsl: qe: fix sparse warnings for ucc_slow.c
soc: fsl: qe: ucc_slow: remove 0 assignment for kzalloc'ed structure
soc: fsl: qe: fix sparse warnings for ucc_fast.c
soc: fsl: qe: fix sparse warnings for qe_ic.c
soc: fsl: qe: fix sparse warnings for ucc.c
soc: fsl: qe: fix sparse warning for qe_common.c
soc: fsl: qe: fix sparse warnings for qe.c
soc: qcom: Fix QCOM_APR dependencies
soc: qcom: pdr: Avoid uninitialized use of found in pdr_indication_cb
soc: imx: drop COMPILE_TEST for IMX_SCU_SOC
firmware: imx: add COMPILE_TEST for IMX_SCU driver
soc: imx: gpc: fix power up sequencing
soc: imx: increase build coverage for imx8m soc driver
soc: qcom: apr: Add avs/audio tracking functionality
dt-bindings: soc: qcom: apr: Add protection domain bindings
soc: qcom: Introduce Protection Domain Restart helpers
devicetree: bindings: firmware: add ipq806x to qcom_scm
memory: tegra: Correct debugfs clk rate-range on Tegra124
memory: tegra: Correct debugfs clk rate-range on Tegra30
memory: tegra: Correct debugfs clk rate-range on Tegra20
...
The code changes are mostly for 32-bit platforms and include:
- Lots of updates for the Nvidia Tegra platform, including
cpuidle, pmc, and dt-binding changes
- Microchip at91 power management updates for the recently added
sam9x60 SoC
- Treewide setup_irq deprecation by afzal mohammed
- STMicroelectronics stm32 gains earlycon support
- Renesas platforms with Cortex-A9 can now use the global timer
- Some TI OMAP2+ platforms gain cpuidle support
- Various cleanups for the i.MX6 and Orion platforms, as well as
Kconfig files across all platforms
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"The code changes are mostly for 32-bit platforms and include:
- Lots of updates for the Nvidia Tegra platform, including cpuidle,
pmc, and dt-binding changes
- Microchip at91 power management updates for the recently added
sam9x60 SoC
- Treewide setup_irq deprecation by afzal mohammed
- STMicroelectronics stm32 gains earlycon support
- Renesas platforms with Cortex-A9 can now use the global timer
- Some TI OMAP2+ platforms gain cpuidle support
- Various cleanups for the i.MX6 and Orion platforms, as well as
Kconfig files across all platforms"
* tag 'arm-soc-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (75 commits)
ARM: qcom: Add support for IPQ40xx
ARM: mmp: replace setup_irq() by request_irq()
ARM: cns3xxx: replace setup_irq() by request_irq()
ARM: spear: replace setup_irq() by request_irq()
ARM: ep93xx: Replace setup_irq() by request_irq()
ARM: iop32x: replace setup_irq() by request_irq()
arm: mach-dove: Mark dove_io_desc as __maybe_unused
ARM: orion: replace setup_irq() by request_irq()
ARM: debug: stm32: add UART early console support for STM32MP1
ARM: debug: stm32: add UART early console support for STM32H7
ARM: debug: stm32: add UART early console configuration for STM32F7
ARM: debug: stm32: add UART early console configuration for STM32F4
cpuidle: tegra: Disable CC6 state if LP2 unavailable
cpuidle: tegra: Squash Tegra114 driver into the common driver
cpuidle: tegra: Squash Tegra30 driver into the common driver
cpuidle: Refactor and move out NVIDIA Tegra20 driver into drivers/cpuidle
ARM: tegra: cpuidle: Remove unnecessary memory barrier
ARM: tegra: cpuidle: Make abort_flag atomic
ARM: tegra: cpuidle: Handle case where secondary CPU hangs on entering LP2
ARM: tegra: Make outer_disable() open-coded
...
Here is the big set of char/misc/other driver patches for 5.7-rc1.
Lots of things in here, and it's later than expected due to some reverts
to resolve some reported issues. All is now clean with no reported
problems in linux-next.
Included in here is:
- interconnect updates
- mei driver updates
- uio updates
- nvmem driver updates
- soundwire updates
- binderfs updates
- coresight updates
- habanalabs updates
- mhi new bus type and core
- extcon driver updates
- some Kconfig cleanups
- other small misc driver cleanups and updates
As mentioned, all have been in linux-next for a while, and with the last
two reverts, all is calm and good.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char/misc/other driver patches for 5.7-rc1.
Lots of things in here, and it's later than expected due to some
reverts to resolve some reported issues. All is now clean with no
reported problems in linux-next.
Included in here is:
- interconnect updates
- mei driver updates
- uio updates
- nvmem driver updates
- soundwire updates
- binderfs updates
- coresight updates
- habanalabs updates
- mhi new bus type and core
- extcon driver updates
- some Kconfig cleanups
- other small misc driver cleanups and updates
As mentioned, all have been in linux-next for a while, and with the
last two reverts, all is calm and good"
* tag 'char-misc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (174 commits)
Revert "driver core: platform: Initialize dma_parms for platform devices"
Revert "amba: Initialize dma_parms for amba devices"
amba: Initialize dma_parms for amba devices
driver core: platform: Initialize dma_parms for platform devices
bus: mhi: core: Drop the references to mhi_dev in mhi_destroy_device()
bus: mhi: core: Initialize bhie field in mhi_cntrl for RDDM capture
bus: mhi: core: Add support for reading MHI info from device
misc: rtsx: set correct pcr_ops for rts522A
speakup: misc: Use dynamic minor numbers for speakup devices
mei: me: add cedar fork device ids
coresight: do not use the BIT() macro in the UAPI header
Documentation: provide IBM contacts for embargoed hardware
nvmem: core: remove nvmem_sysfs_get_groups()
nvmem: core: use is_bin_visible for permissions
nvmem: core: use device_register and device_unregister
nvmem: core: add root_only member to nvmem device struct
extcon: axp288: Add wakeup support
extcon: Mark extcon_get_edev_name() function as exported symbol
extcon: palmas: Hide error messages if gpio returns -EPROBE_DEFER
dt-bindings: extcon: usbc-cros-ec: convert extcon-usbc-cros-ec.txt to yaml format
...
Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Link: https://lore.kernel.org/r/20200320084429.1803-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Pull crypto updates from Herbert Xu:
"API:
- Fix out-of-sync IVs in self-test for IPsec AEAD algorithms
Algorithms:
- Use formally verified implementation of x86/curve25519
Drivers:
- Enhance hwrng support in caam
- Use crypto_engine for skcipher/aead/rsa/hash in caam
- Add Xilinx AES driver
- Add uacce driver
- Register zip engine to uacce in hisilicon
- Add support for OCTEON TX CPT engine in marvell"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (162 commits)
crypto: af_alg - bool type cosmetics
crypto: arm[64]/poly1305 - add artifact to .gitignore files
crypto: caam - limit single JD RNG output to maximum of 16 bytes
crypto: caam - enable prediction resistance in HRWNG
bus: fsl-mc: add api to retrieve mc version
crypto: caam - invalidate entropy register during RNG initialization
crypto: caam - check if RNG job failed
crypto: caam - simplify RNG implementation
crypto: caam - drop global context pointer and init_done
crypto: caam - use struct hwrng's .init for initialization
crypto: caam - allocate RNG instantiation descriptor with GFP_DMA
crypto: ccree - remove duplicated include from cc_aead.c
crypto: chelsio - remove set but not used variable 'adap'
crypto: marvell - enable OcteonTX cpt options for build
crypto: marvell - add the Virtual Function driver for CPT
crypto: marvell - add support for OCTEON TX CPT engine
crypto: marvell - create common Kconfig and Makefile for Marvell
crypto: arm/neon - memzero_explicit aes-cbc key
crypto: bcm - Use scnprintf() for avoiding potential buffer overflow
crypto: atmel-i2c - Fix wakeup fail
...
When CONFIG_DEBUG_ALIGN_RODATA is enabled, kernel segments mapped with
different permissions (r-x for .text, r-- for .rodata, rw- for .data,
etc) are rounded up to 2 MiB so they can be mapped more efficiently.
In particular, it permits the segments to be mapped using level 2
block entries when using 4k pages, which is expected to result in less
TLB pressure.
However, the mappings for the bulk of the kernel will use level 2
entries anyway, and the misaligned fringes are organized such that they
can take advantage of the contiguous bit, and use far fewer level 3
entries than would be needed otherwise.
This makes the value of this feature dubious at best, and since it is not
enabled in defconfig or in the distro configs, it does not appear to be
in wide use either. So let's just remove it.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Laura Abbott <labbott@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
- Add support for host software queue for (e)MMC/SD
- Throttle polling rate for CMD6
- Update CMD13 busy condition check for CMD6 commands
- Improve busy detect polling for erase/trim/discard/HPI
- Fixup support for HW busy detection for HPI commands
- Re-work and improve support for eMMC sanitize commands
MMC host:
- mmci: Add support for sdmmc variant revision 2.0
- mmci_sdmmc: Improve support for busyend detection
- mmci_sdmmc: Fixup support for signal voltage switch
- mmci_sdmmc: Add support for tuning with delay block
- mtk-sd: Fix another SDIO irq issue
- sdhci: Disable native card detect when GPIO based type exist
- sdhci: Add option to defer request completion
- sdhci_am654: Add support to set a tap value per speed mode
- sdhci-esdhc-imx: Add support for i.MX8MM based variant
- sdhci-esdhc-imx: Fixup support for standard tuning on i.MX8 usdhc
- sdhci-esdhc-imx: Optimize for strobe/clock dll settings
- sdhci-esdhc-imx: Fixup support for system and runtime suspend/resume
- sdhci-iproc: Update regulator/bus-voltage management for bcm2711
- sdhci-msm: Prevent clock gating with PWRSAVE_DLL on broken variants
- sdhci-msm: Fix management of CQE during SDHCI reset
- sdhci-of-arasan: Add support for auto tuning on ZynqMP based platforms
- sdhci-omap: Add support for system suspend/resume
- sdhci-sprd: Add support for HW busy detection
- sdhci-sprd: Enable support host software queue
- sdhci-tegra: Add support for HW busy detection
- tmio/renesas_sdhi: Enforce retune after runtime suspend
- renesas_sdhi: Use manual tap correction for HS400 on some variants
- renesas_sdhi: Add support for manual correction of tap values for tunings
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Merge tag 'mmc-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Add support for host software queue for (e)MMC/SD
- Throttle polling rate for CMD6
- Update CMD13 busy condition check for CMD6 commands
- Improve busy detect polling for erase/trim/discard/HPI
- Fixup support for HW busy detection for HPI commands
- Re-work and improve support for eMMC sanitize commands
MMC host:
- mmci:
* Add support for sdmmc variant revision 2.0
- mmci_sdmmc:
* Improve support for busyend detection
* Fixup support for signal voltage switch
* Add support for tuning with delay block
- mtk-sd:
* Fix another SDIO irq issue
- sdhci:
* Disable native card detect when GPIO based type exist
- sdhci:
* Add option to defer request completion
- sdhci_am654:
* Add support to set a tap value per speed mode
- sdhci-esdhc-imx:
* Add support for i.MX8MM based variant
* Fixup support for standard tuning on i.MX8 usdhc
* Optimize for strobe/clock dll settings
* Fixup support for system and runtime suspend/resume
- sdhci-iproc:
* Update regulator/bus-voltage management for bcm2711
- sdhci-msm:
* Prevent clock gating with PWRSAVE_DLL on broken variants
* Fix management of CQE during SDHCI reset
- sdhci-of-arasan:
* Add support for auto tuning on ZynqMP based platforms
- sdhci-omap:
* Add support for system suspend/resume
- sdhci-sprd:
* Add support for HW busy detection
* Enable support host software queue
- sdhci-tegra:
* Add support for HW busy detection
- tmio/renesas_sdhi:
* Enforce retune after runtime suspend
- renesas_sdhi:
* Use manual tap correction for HS400 on some variants
* Add support for manual correction of tap values for tunings"
* tag 'mmc-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (86 commits)
mmc: cavium-octeon: remove nonsense variable coercion
mmc: mediatek: fix SDIO irq issue
mmc: mmci_sdmmc: Fix clear busyd0end irq flag
dt-bindings: mmc: Fix node name in an example
mmc: core: Re-work the code for eMMC sanitize
mmc: sdhci: use FIELD_GET for preset value bit masks
mmc: sdhci-of-at91: Display clock changes for debug purpose only
mmc: sdhci: iproc: Add custom set_power() callback for bcm2711
mmc: sdhci: am654: Use sdhci_set_power_and_voltage()
mmc: sdhci: at91: Use sdhci_set_power_and_voltage()
mmc: sdhci: milbeaut: Use sdhci_set_power_and_voltage()
mmc: sdhci: arasan: Use sdhci_set_power_and_voltage()
mmc: sdhci: Introduce sdhci_set_power_and_bus_voltage()
mmc: vub300: Use scnprintf() for avoiding potential buffer overflow
dt-bindings: mmc: synopsys-dw-mshc: fix clock-freq-min-max in example
sdhci: tegra: Enable MMC_CAP_WAIT_WHILE_BUSY host capability
sdhci: tegra: Implement Tegra specific set_timeout callback
mmc: sdhci-omap: Add Support for Suspend/Resume
mmc: renesas_sdhi: simplify execute_tuning
mmc: renesas_sdhi: Use BITS_PER_LONG helper
...
Pull x86 boot updates from Ingo Molnar:
"Misc cleanups and small enhancements all around the map"
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot/compressed: Fix debug_puthex() parameter type
x86/setup: Fix static memory detection
x86/vmlinux: Drop unneeded linker script discard of .eh_frame
x86/*/Makefile: Use -fno-asynchronous-unwind-tables to suppress .eh_frame sections
x86/boot/compressed: Remove .eh_frame section from bzImage
x86/boot/compressed/64: Remove .bss/.pgtable from bzImage
x86/boot/compressed/64: Use 32-bit (zero-extended) MOV for z_output_len
x86/boot/compressed/64: Use LEA to initialize boot stack pointer
- In-kernel Pointer Authentication support (previously only offered to
user space).
- ARM Activity Monitors (AMU) extension support allowing better CPU
utilisation numbers for the scheduler (frequency invariance).
- Memory hot-remove support for arm64.
- Lots of asm annotations (SYM_*) in preparation for the in-kernel
Branch Target Identification (BTI) support.
- arm64 perf updates: ARMv8.5-PMU 64-bit counters, refactoring the PMU
init callbacks, support for new DT compatibles.
- IPv6 header checksum optimisation.
- Fixes: SDEI (software delegated exception interface) double-lock on
hibernate with shared events.
- Minor clean-ups and refactoring: cpu_ops accessor, cpu_do_switch_mm()
converted to C, cpufeature finalisation helper.
- sys_mremap() comment explaining the asymmetric address untagging
behaviour.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
"The bulk is in-kernel pointer authentication, activity monitors and
lots of asm symbol annotations. I also queued the sys_mremap() patch
commenting the asymmetry in the address untagging.
Summary:
- In-kernel Pointer Authentication support (previously only offered
to user space).
- ARM Activity Monitors (AMU) extension support allowing better CPU
utilisation numbers for the scheduler (frequency invariance).
- Memory hot-remove support for arm64.
- Lots of asm annotations (SYM_*) in preparation for the in-kernel
Branch Target Identification (BTI) support.
- arm64 perf updates: ARMv8.5-PMU 64-bit counters, refactoring the
PMU init callbacks, support for new DT compatibles.
- IPv6 header checksum optimisation.
- Fixes: SDEI (software delegated exception interface) double-lock on
hibernate with shared events.
- Minor clean-ups and refactoring: cpu_ops accessor,
cpu_do_switch_mm() converted to C, cpufeature finalisation helper.
- sys_mremap() comment explaining the asymmetric address untagging
behaviour"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (81 commits)
mm/mremap: Add comment explaining the untagging behaviour of mremap()
arm64: head: Convert install_el2_stub to SYM_INNER_LABEL
arm64: Introduce get_cpu_ops() helper function
arm64: Rename cpu_read_ops() to init_cpu_ops()
arm64: Declare ACPI parking protocol CPU operation if needed
arm64: move kimage_vaddr to .rodata
arm64: use mov_q instead of literal ldr
arm64: Kconfig: verify binutils support for ARM64_PTR_AUTH
lkdtm: arm64: test kernel pointer authentication
arm64: compile the kernel with ptrauth return address signing
kconfig: Add support for 'as-option'
arm64: suspend: restore the kernel ptrauth keys
arm64: __show_regs: strip PAC from lr in printk
arm64: unwind: strip PAC from kernel addresses
arm64: mask PAC bits of __builtin_return_address
arm64: initialize ptrauth keys for kernel booting task
arm64: initialize and switch ptrauth kernel keys
arm64: enable ptrauth earlier
arm64: cpufeature: handle conflicts based on capability
arm64: cpufeature: Move cpu capability helpers inside C file
...
- Support for locked CSD objects in smp_call_function_single_async()
which allows to simplify callsites in the scheduler core and MIPS
- Treewide consolidation of CPU hotplug functions which ensures the
consistency between the sysfs interface and kernel state. The low level
functions cpu_up/down() are now confined to the core code and not
longer accessible from random code.
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Merge tag 'smp-core-2020-03-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core SMP updates from Thomas Gleixner:
"CPU (hotplug) updates:
- Support for locked CSD objects in smp_call_function_single_async()
which allows to simplify callsites in the scheduler core and MIPS
- Treewide consolidation of CPU hotplug functions which ensures the
consistency between the sysfs interface and kernel state. The low
level functions cpu_up/down() are now confined to the core code and
not longer accessible from random code"
* tag 'smp-core-2020-03-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (22 commits)
cpu/hotplug: Ignore pm_wakeup_pending() for disable_nonboot_cpus()
cpu/hotplug: Hide cpu_up/down()
cpu/hotplug: Move bringup of secondary CPUs out of smp_init()
torture: Replace cpu_up/down() with add/remove_cpu()
firmware: psci: Replace cpu_up/down() with add/remove_cpu()
xen/cpuhotplug: Replace cpu_up/down() with device_online/offline()
parisc: Replace cpu_up/down() with add/remove_cpu()
sparc: Replace cpu_up/down() with add/remove_cpu()
powerpc: Replace cpu_up/down() with add/remove_cpu()
x86/smp: Replace cpu_up/down() with add/remove_cpu()
arm64: hibernate: Use bringup_hibernate_cpu()
cpu/hotplug: Provide bringup_hibernate_cpu()
arm64: Use reboot_cpu instead of hardconding it to 0
arm64: Don't use disable_nonboot_cpus()
ARM: Use reboot_cpu instead of hardcoding it to 0
ARM: Don't use disable_nonboot_cpus()
ia64: Replace cpu_down() with smp_shutdown_nonboot_cpus()
cpu/hotplug: Create a new function to shutdown nonboot cpus
cpu/hotplug: Add new {add,remove}_cpu() functions
sched/core: Remove rq.hrtick_csd_pending
...
Pull EFI updates from Ingo Molnar:
"The EFI changes in this cycle are much larger than usual, for two
(positive) reasons:
- The GRUB project is showing signs of life again, resulting in the
introduction of the generic Linux/UEFI boot protocol, instead of
x86 specific hacks which are increasingly difficult to maintain.
There's hope that all future extensions will now go through that
boot protocol.
- Preparatory work for RISC-V EFI support.
The main changes are:
- Boot time GDT handling changes
- Simplify handling of EFI properties table on arm64
- Generic EFI stub cleanups, to improve command line handling, file
I/O, memory allocation, etc.
- Introduce a generic initrd loading method based on calling back
into the firmware, instead of relying on the x86 EFI handover
protocol or device tree.
- Introduce a mixed mode boot method that does not rely on the x86
EFI handover protocol either, and could potentially be adopted by
other architectures (if another one ever surfaces where one
execution mode is a superset of another)
- Clean up the contents of 'struct efi', and move out everything that
doesn't need to be stored there.
- Incorporate support for UEFI spec v2.8A changes that permit
firmware implementations to return EFI_UNSUPPORTED from UEFI
runtime services at OS runtime, and expose a mask of which ones are
supported or unsupported via a configuration table.
- Partial fix for the lack of by-VA cache maintenance in the
decompressor on 32-bit ARM.
- Changes to load device firmware from EFI boot service memory
regions
- Various documentation updates and minor code cleanups and fixes"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (114 commits)
efi/libstub/arm: Fix spurious message that an initrd was loaded
efi/libstub/arm64: Avoid image_base value from efi_loaded_image
partitions/efi: Fix partition name parsing in GUID partition entry
efi/x86: Fix cast of image argument
efi/libstub/x86: Use ULONG_MAX as upper bound for all allocations
efi: Fix a mistype in comments mentioning efivar_entry_iter_begin()
efi/libstub: Avoid linking libstub/lib-ksyms.o into vmlinux
efi/x86: Preserve %ebx correctly in efi_set_virtual_address_map()
efi/x86: Ignore the memory attributes table on i386
efi/x86: Don't relocate the kernel unless necessary
efi/x86: Remove extra headroom for setup block
efi/x86: Add kernel preferred address to PE header
efi/x86: Decompress at start of PE image load address
x86/boot/compressed/32: Save the output address instead of recalculating it
efi/libstub/x86: Deal with exit() boot service returning
x86/boot: Use unsigned comparison for addresses
efi/x86: Avoid using code32_start
efi/x86: Make efi32_pe_entry() more readable
efi/x86: Respect 32-bit ABI in efi32_pe_entry()
efi/x86: Annotate the LOADED_IMAGE_PROTOCOL_GUID with SYM_DATA
...
Here is the "big" set of driver core changes for 5.7-rc1.
Nothing huge in here, just lots of little firmware core changes and use
of new apis, a libfs fix, a debugfs api change, and some driver core
deferred probe rework.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the "big" set of driver core changes for 5.7-rc1.
Nothing huge in here, just lots of little firmware core changes and
use of new apis, a libfs fix, a debugfs api change, and some driver
core deferred probe rework.
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (44 commits)
Revert "driver core: Set fw_devlink to "permissive" behavior by default"
driver core: Set fw_devlink to "permissive" behavior by default
driver core: Replace open-coded list_last_entry()
driver core: Read atomic counter once in driver_probe_done()
libfs: fix infoleak in simple_attr_read()
driver core: Add device links from fwnode only for the primary device
platform/x86: touchscreen_dmi: Add info for the Chuwi Vi8 Plus tablet
platform/x86: touchscreen_dmi: Add EFI embedded firmware info support
Input: icn8505 - Switch to firmware_request_platform for retreiving the fw
Input: silead - Switch to firmware_request_platform for retreiving the fw
selftests: firmware: Add firmware_request_platform tests
test_firmware: add support for firmware_request_platform
firmware: Add new platform fallback mechanism and firmware_request_platform()
Revert "drivers: base: power: wakeup.c: Use built-in RCU list checking"
drivers: base: power: wakeup.c: Use built-in RCU list checking
component: allow missing unbind callback
debugfs: remove return value of debugfs_create_file_size()
debugfs: Check module state before warning in {full/open}_proxy_open()
firmware: fix a double abort case with fw_load_sysfs_fallback
arch_topology: Fix putting invalid cpu clk
...
Commit:
ec93fc371f ("efi/libstub: Add support for loading the initrd from a device path")
added a diagnostic print to the ARM version of the EFI stub that
reports whether an initrd has been loaded that was passed
via the command line using initrd=.
However, it failed to take into account that, for historical reasons,
the file loading routines return EFI_SUCCESS when no file was found,
and the only way to decide whether a file was loaded is to inspect
the 'size' argument that is passed by reference. So let's inspect
this returned size, to prevent the print from being emitted even if
no initrd was loaded at all.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-efi@vger.kernel.org
Commit:
9f9223778e ("efi/libstub/arm: Make efi_entry() an ordinary PE/COFF entrypoint")
did some code refactoring to get rid of the EFI entry point assembler
code, and in the process, it got rid of the assignment of image_addr
to the value of _text. Instead, it switched to using the image_base
field of the efi_loaded_image struct provided by UEFI, which should
contain the same value.
However, Michael reports that this is not the case: older GRUB builds
corrupt this value in some way, and since we can easily switch back to
referring to _text to discover this value, let's simply do that.
While at it, fix another issue in commit 9f9223778e, which may result
in the unassigned image_addr to be misidentified as the preferred load
offset of the kernel, which is unlikely but will cause a boot crash if
it does occur.
Finally, let's add a warning if the _text vs. image_base discrepancy is
detected, so we can tell more easily how widespread this issue actually
is.
Reported-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-efi@vger.kernel.org
ARM SCMI/SCPI updates for v5.7
1. Abstraction of the scmi transport type from the core protocol driver
which enables addition of other transports like SMC/HVC, SPCI and
virtio apart from the existing mailbox
2. Miscellaneous fix for minor formatting issues with the kernel-doc
style comments
3. Replacement of zero-length array with flexible-array member which is
part of tree-wide cleanup
* tag 'scmi-updates-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
misc: vexpress: Replace zero-length array with flexible-array member
firmware: arm_scpi: Replace zero-length array with flexible-array member
firmware: arm_scmi/perf: Replace zero-length array with flexible-array member
firmware: arm_scmi: Replace zero-length array with flexible-array member
firmware: arm_scmi: Make scmi core independent of the transport type
firmware: arm_scmi: Move macros and helpers to common.h
firmware: arm_scmi: Update doc style comments
Link: https://lore.kernel.org/r/20200304175247.GA5402@bogus
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
A trivial typofix for the Kconfig entry of the Tegra IVC library.
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Merge tag 'tegra-for-5.7-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
firmware: tegra: Changes for v5.7-rc1
A trivial typofix for the Kconfig entry of the Tegra IVC library.
* tag 'tegra-for-5.7-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
firmware: tegra: Fix a typo in Kconfig
Link: https://lore.kernel.org/r/20200313165848.2915133-2-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Update SCU power domain driver to include PD ranges for audio, CM40
I2C and INTMUX, also enlarge PD range for mu_b.
- Remove IMX_SC_RPC_SVC_ABORT from SCU API, as it was added by mistake.
- Increase build test coverage for i.MX8M SoC and IMX_SCU driver.
- Improve i.MX GPC power up sequencing to ensure that the reset is
properly propagated through the peripheral devices in the power
domain.
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Merge tag 'imx-drivers-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX drivers update for 5.7:
- Update SCU power domain driver to include PD ranges for audio, CM40
I2C and INTMUX, also enlarge PD range for mu_b.
- Remove IMX_SC_RPC_SVC_ABORT from SCU API, as it was added by mistake.
- Increase build test coverage for i.MX8M SoC and IMX_SCU driver.
- Improve i.MX GPC power up sequencing to ensure that the reset is
properly propagated through the peripheral devices in the power
domain.
* tag 'imx-drivers-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: drop COMPILE_TEST for IMX_SCU_SOC
firmware: imx: add COMPILE_TEST for IMX_SCU driver
soc: imx: gpc: fix power up sequencing
soc: imx: increase build coverage for imx8m soc driver
firmware: imx: scu-pd: add power domain for I2C and INTMUX in CM40 SS
firmware: imx: Remove IMX_SC_RPC_SVC_ABORT
firmware: imx: scu-pd: enlarge PD range for mu_b
firmware: imx: scu-pd: Add missing audio PD ranges
soc: imx: gpcv2: include linux/sizes.h
Link: https://lore.kernel.org/r/20200318051918.32579-1-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The core device API performs extra housekeeping bits that are missing
from directly calling cpu_up/down().
See commit a6717c01dd ("powerpc/rtas: use device model APIs and
serialization during LPM") for an example description of what might go
wrong.
This also prepares to make cpu_up/down a private interface of the CPU subsystem.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Link: https://lkml.kernel.org/r/20200323135110.30522-15-qais.yousef@arm.com
SD DLL resets are required for some of the operations on ZynqMP platform.
Add DLL reset support in ZynqMP firmware driver for SD DLL reset.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/1579602095-30060-3-git-send-email-manish.narani@xilinx.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Tap Delay setup ioctl was not added to valid list due to which it
may fail to set Tap Delays for SD. This patch fixes the same.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/1579602095-30060-2-git-send-email-manish.narani@xilinx.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Use SMBIOS_ENTRY_POINT_SCAN_START instead of 0xF0000, because other
archtecture maybe use a special start address such as 0xFFFE000 for
Loongson platform.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Sofar we have been unable to get permission from the vendors to put the
firmware for touchscreens listed in touchscreen_dmi in linux-firmware.
Some of the tablets with such a touchscreen have a touchscreen driver, and
thus a copy of the firmware, as part of their EFI code.
This commit adds the necessary info for the new EFI embedded-firmware code
to extract these firmwares, making the touchscreen work OOTB without the
user needing to manually add the firmware.
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200115163554.101315-10-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable shared branch to ease the integration of Hans's series to support
device firmware loaded from EFI boot service memory regions.
[PATCH v12 00/10] efi/firmware/platform-x86: Add EFI embedded fw support
https://lore.kernel.org/linux-efi/20200115163554.101315-1-hdegoede@redhat.com/
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Merge tag 'stable-shared-branch-for-driver-tree' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into driver-core-next
Ard writes:
Stable shared branch between EFI and driver tree
Stable shared branch to ease the integration of Hans's series to support
device firmware loaded from EFI boot service memory regions.
[PATCH v12 00/10] efi/firmware/platform-x86: Add EFI embedded fw support
https://lore.kernel.org/linux-efi/20200115163554.101315-1-hdegoede@redhat.com/
* tag 'stable-shared-branch-for-driver-tree' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: Add embedded peripheral firmware support
efi: Export boot-services code and data as debugfs-blobs
Add the compatible property value so we can reuse Intel Stratix10
Service Layer driver on Intel Agilex SoC platform.
Signed-off-by: Richard Gong <richard.gong@intel.com>
Acked-by: Moritz Fischer <mdf@kernel.org>
Link: https://lore.kernel.org/r/1583428346-13307-2-git-send-email-richard.gong@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add COMPILE_TEST support to IMX_SCU driver for better compile
testing coverage. Any driver depending on IMX_SCU shouldn't have
COMPILE_TEST though.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
- Prevent a race and buffer overflow in the sysfs efivars interface which
causes kernel memory corruption.
- Add the missing NULL pointer checks in efivar_store_raw()
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Merge tag 'efi-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Thomas Gleixner:
"Two EFI fixes:
- Prevent a race and buffer overflow in the sysfs efivars interface
which causes kernel memory corruption.
- Add the missing NULL pointer checks in efivar_store_raw()"
* tag 'efi-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: Add a sanity check to efivar_store_raw()
efi: Fix a race and a buffer overflow while reading efivars via sysfs
