linux-stable/arch/arm64
Will Deacon d26f0a5dc6 arm64: mm: Move ASID from TTBR0 to TTBR1
Commit 7655abb953 upstream.

In preparation for mapping kernelspace and userspace with different
ASIDs, move the ASID to TTBR1 and update switch_mm to context-switch
TTBR0 via an invalid mapping (the zero page).

Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Laura Abbott <labbott@redhat.com>
Tested-by: Shanker Donthineni <shankerd@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-02-16 20:22:46 +01:00
..
boot .gitignore: move *.dtb and *.dtb.S patterns to the top-level .gitignore 2018-02-13 10:19:46 +01:00
configs ARM/arm64: SoC platform updates for v4.14 2017-09-10 20:35:46 -07:00
crypto License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
include arm64: mm: Move ASID from TTBR0 to TTBR1 2018-02-16 20:22:46 +01:00
kernel arm64: move TASK_* definitions to <asm/processor.h> 2018-02-16 20:22:46 +01:00
kvm arm64: Add software workaround for Falkor erratum 1041 2018-02-16 20:22:44 +01:00
lib License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mm arm64: mm: Move ASID from TTBR0 to TTBR1 2018-02-16 20:22:46 +01:00
net bpf, arm64: fix stack_depth tracking in combination with tail calls 2018-01-31 14:03:50 +01:00
xen xen/privcmd: Add IOCTL_PRIVCMD_DM_OP 2017-02-14 15:13:43 -05:00
Kconfig arm64: mm: Temporarily disable ARM64_SW_TTBR0_PAN 2018-02-16 20:22:46 +01:00
Kconfig.debug arm64: relocation testing module 2017-04-04 17:03:32 +01:00
Kconfig.platforms ARM: arm64: Devicetree updates for v4.14 2017-09-10 20:54:48 -07:00
Makefile arm64: prevent regressions in compressed kernel image size when upgrading to binutils 2.27 2017-12-20 10:10:29 +01:00