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[2/2] arm64: docs: Document SSBS HWCAP

Message ID 1538403888-13277-3-git-send-email-will.deacon@arm.com (mailing list archive)
State New, archived
Headers show
Series Fixup and extend hwcaps documentation | expand

Commit Message

Will Deacon Oct. 1, 2018, 2:24 p.m. UTC 
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>
---
 Documentation/arm64/elf_hwcaps.txt | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

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.