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Linus Torvalds 79db4d2293 clang-lto series for v5.12-rc1 
- Clang LTO build infrastructure and arm64-specific enablement (Sami Tolvanen)
 - Recursive build CC_FLAGS_LTO fix (Alexander Lobakin)
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Merge tag 'clang-lto-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull clang LTO updates from Kees Cook:
 "Clang Link Time Optimization.

  This is built on the work done preparing for LTO by arm64 folks,
  tracing folks, etc. This includes the core changes as well as the
  remaining pieces for arm64 (LTO has been the default build method on
  Android for about 3 years now, as it is the prerequisite for the
  Control Flow Integrity protections).

  While x86 LTO enablement is done, it depends on some pending objtool
  clean-ups. It's possible that I'll send a "part 2" pull request for
  LTO that includes x86 support.

  For merge log posterity, and as detailed in commit dc5723b02e
  ("kbuild: add support for Clang LTO"), here is the lt;dr to do an LTO
  build:

        make LLVM=1 LLVM_IAS=1 defconfig
        scripts/config -e LTO_CLANG_THIN
        make LLVM=1 LLVM_IAS=1

  (To do a cross-compile of arm64, add "CROSS_COMPILE=aarch64-linux-gnu-"
  and "ARCH=arm64" to the "make" command lines.)

  Summary:

   - Clang LTO build infrastructure and arm64-specific enablement (Sami
     Tolvanen)

   - Recursive build CC_FLAGS_LTO fix (Alexander Lobakin)"

* tag 'clang-lto-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  kbuild: prevent CC_FLAGS_LTO self-bloating on recursive rebuilds
  arm64: allow LTO to be selected
  arm64: disable recordmcount with DYNAMIC_FTRACE_WITH_REGS
  arm64: vdso: disable LTO
  drivers/misc/lkdtm: disable LTO for rodata.o
  efi/libstub: disable LTO
  scripts/mod: disable LTO for empty.c
  modpost: lto: strip .lto from module names
  PCI: Fix PREL32 relocations for LTO
  init: lto: fix PREL32 relocations
  init: lto: ensure initcall ordering
  kbuild: lto: add a default list of used symbols
  kbuild: lto: merge module sections
  kbuild: lto: limit inlining
  kbuild: lto: fix module versioning
  kbuild: add support for Clang LTO
  tracing: move function tracer options to Kconfig
2021-02-23 09:28:51 -08:00
..
libstub clang-lto series for v5.12-rc1 2021-02-23 09:28:51 -08:00
test efi/efi_test: read RuntimeServicesSupported 2020-12-09 08:37:27 +01:00
apple-properties.c efi/apple-properties: Reinstate support for boolean properties 2020-12-31 10:28:53 +01:00
arm-runtime.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
capsule-loader.c efi/capsule-loader: Drop superfluous assignment 2020-02-23 21:58:31 +01:00
capsule.c efi: capsule: clean scatter-gather entries from the D-cache 2020-12-09 08:37:27 +01:00
cper-arm.c efi: Replace GPL license boilerplate with SPDX headers 2019-02-04 08:27:25 +01:00
cper-x86.c x86/mce, cper: Pass x86 CPER through the MCA handling chain 2020-11-21 12:05:41 +01:00
cper.c cper,edac,efi: Memory Error Record: bank group/address and chip id 2020-09-17 10:19:52 +03:00
dev-path-parser.c efi/dev-path-parser: Add struct definition for vendor type device path nodes 2020-02-23 21:59:42 +01:00
earlycon.c efi/earlycon: Fix early printk for wider fonts 2020-05-12 12:29:45 +02:00
efi-bgrt.c efi/bgrt: Accept BGRT tables with a version of 0 2020-02-22 23:37:37 +01:00
efi-init.c driver core: Delete pointless parameter in fwnode_operations.add_links 2020-12-09 19:14:48 +01:00
efi-pstore.c efi: pstore: move workqueue handling out of efivars 2020-09-29 19:40:57 +02:00
efi.c mm/gup: prevent gup_fast from racing with COW during fork 2020-12-15 12:13:39 -08:00
efibc.c efi: efibc: check for efivars write capability 2020-09-15 18:22:47 +03:00
efivars.c efi: efivars: limit availability to X86 builds 2020-09-29 19:40:57 +02:00
embedded-firmware.c crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
esrt.c efi/esrt: Fix reference count leak in esre_create_sysfs_entry. 2020-06-15 14:38:56 +02:00
fake_mem.c efi: Fix handling of multiple efi_fake_mem= entries 2020-01-20 08:14:29 +01:00
fake_mem.h x86/efi: Add efi_fake_mem support for EFI_MEMORY_SP 2019-11-07 15:44:23 +01:00
fdtparams.c efi/arm: Rewrite FDT param discovery routines 2020-02-23 21:59:42 +01:00
Kconfig EFI updates collected by Ard Biesheuvel: 2020-12-24 12:40:07 -08:00
Makefile efi: ia64: disable the capsule loader 2020-12-14 16:24:19 +01:00
memattr.c efi: Move mem_attr_table out of struct efi 2020-02-23 21:59:42 +01:00
memmap.c efi: Fix handling of multiple efi_fake_mem= entries 2020-01-20 08:14:29 +01:00
mokvar-table.c efi: mokvar: add missing include of asm/early_ioremap.h 2020-10-02 10:08:29 +02:00
rci2-table.c efi: Don't attempt to map RCI2 config table if it doesn't exist 2019-12-10 12:13:02 +01:00
reboot.c efi: Use EFI ResetSystem only when available 2020-02-23 21:59:42 +01:00
riscv-runtime.c RISC-V: Add EFI runtime services 2020-10-02 14:31:28 -07:00
runtime-map.c efi: Replace GPL license boilerplate with SPDX headers 2019-02-04 08:27:25 +01:00
runtime-wrappers.c efi: Add 'runtime' pointer to struct efi 2020-02-23 21:59:42 +01:00
tpm.c EFI fixes for v5.7-rc6: 2020-05-22 20:06:25 +02:00
vars.c Merge branch 'efi/urgent' into efi/core, to pick up fixes 2020-10-12 13:38:31 +02:00
x86_fake_mem.c efi/fake_mem: arrange for a resource entry per efi_fake_mem instance 2020-10-13 18:38:27 -07:00