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authorWill Deacon <will@kernel.org>2022-12-06 11:33:29 +0000
committerWill Deacon <will@kernel.org>2022-12-06 11:33:29 +0000
commit9d84ad425dc7048196b817b7db4942e0c72d58a1 (patch)
treec6589a74624c367e663be6da12ca63c6f2dd4d53 /arch/arm64/include/uapi
parent70b1c62a677affbc0739b9c3dd3c26c0c89fd911 (diff)
parent67bc5b2d6d4802f46eceda246eb53a672b961831 (diff)
Merge branch 'for-next/trivial' into for-next/core
* for-next/trivial: arm64: alternatives: add __init/__initconst to some functions/variables arm64/asm: Remove unused assembler DAIF save/restore macros arm64/kpti: Move DAIF masking to C code Revert "arm64/mm: Drop redundant BUG_ON(!pgtable_alloc)" arm64/mm: Drop unused restore_ttbr1 arm64: alternatives: make apply_alternatives_vdso() static arm64/mm: Drop idmap_pg_end[] declaration arm64/mm: Drop redundant BUG_ON(!pgtable_alloc) arm64: make is_ttbrX_addr() noinstr-safe arm64/signal: Document our convention for choosing magic numbers arm64: atomics: lse: remove stale dependency on JUMP_LABEL arm64: paravirt: remove conduit check in has_pv_steal_clock arm64: entry: Fix typo arm64/booting: Add missing colon to FA64 entry arm64/mm: Drop ARM64_KERNEL_USES_PMD_MAPS arm64/asm: Remove unused enable_da macro
Diffstat (limited to 'arch/arm64/include/uapi')
-rw-r--r--arch/arm64/include/uapi/asm/sigcontext.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/include/uapi/asm/sigcontext.h b/arch/arm64/include/uapi/asm/sigcontext.h
index 4aaf31e3bf16..9525041e4a14 100644
--- a/arch/arm64/include/uapi/asm/sigcontext.h
+++ b/arch/arm64/include/uapi/asm/sigcontext.h
@@ -62,6 +62,10 @@ struct sigcontext {
* context. Such structures must be placed after the rt_sigframe on the stack
* and be 16-byte aligned. The last structure must be a dummy one with the
* magic and size set to 0.
+ *
+ * Note that the values allocated for use as magic should be chosen to
+ * be meaningful in ASCII to aid manual parsing, ZA doesn't follow this
+ * convention due to oversight but it should be observed for future additions.
*/
struct _aarch64_ctx {
__u32 magic;