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| author | Will Deacon <will.deacon@arm.com> | 2018-10-01 15:24:48 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2018-10-01 16:28:17 +0100 |
| commit | ee91176120bd584aa10c564e7e9fdcaf397190a1 (patch) | |
| tree | 714d25f3342062700bf4eb991436d338011fe709 /Documentation/arm64 | |
| parent | 4bfbe5eee309e8c86e1b1155e82136c8fbffd155 (diff) | |
| download | linux-ee91176120bd584aa10c564e7e9fdcaf397190a1.tar.bz2 | |
arm64: docs: Document SSBS HWCAP
We advertise the MRS/MSR instructions for toggling SSBS at EL0 using an
HWCAP, so document it along with the others.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'Documentation/arm64')
| -rw-r--r-- | Documentation/arm64/elf_hwcaps.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/arm64/elf_hwcaps.txt b/Documentation/arm64/elf_hwcaps.txt index 51ccfab408cc..ea819ae024dd 100644 --- a/Documentation/arm64/elf_hwcaps.txt +++ b/Documentation/arm64/elf_hwcaps.txt @@ -178,3 +178,7 @@ HWCAP_ILRCPC HWCAP_FLAGM Functionality implied by ID_AA64ISAR0_EL1.TS == 0b0001. + +HWCAP_SSBS + + Functionality implied by ID_AA64PFR1_EL1.SSBS == 0b0010. |