Subject: [PATCH 4.19 091/114] arm64: docs: Document SSBS HWCAP

From: Greg Kroah-Hartman <[email-masked]>
Date: Thu, 10 Oct 2019 10:36:38 +0200

From: Will Deacon <[email-masked]>

[ Upstream commit ee91176120bd584aa10c564e7e9fdcaf397190a1 ]

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 <[email-masked]>
Signed-off-by: Catalin Marinas <[email-masked]>
Signed-off-by: Ard Biesheuvel <[email-masked]>
Signed-off-by: Greg Kroah-Hartman <[email-masked]>
---
 Documentation/arm64/elf_hwcaps.txt |    4 ++++
 1 file changed, 4 insertions(+)

--- 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.

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