[PATCH 3/4] arm64/signal: Add tpidr2/za/zt sigframe size in comment

From: Dongxu Sun
Date: Fri Mar 17 2023 - 08:49:59 EST


Update the comments of sigcontext.__reserved[], since we already
support SME/SME2.

Signed-off-by: Dongxu Sun <sundongxu3@xxxxxxxxxx>
---
arch/arm64/include/uapi/asm/sigcontext.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/include/uapi/asm/sigcontext.h b/arch/arm64/include/uapi/asm/sigcontext.h
index 656a10ea6c67..d85e3079474d 100644
--- a/arch/arm64/include/uapi/asm/sigcontext.h
+++ b/arch/arm64/include/uapi/asm/sigcontext.h
@@ -45,10 +45,13 @@ struct sigcontext {
* 0x210 fpsimd_context
* 0x10 esr_context
* 0x8a0 sve_context (vl <= 64) (optional)
+ * 0x10 tpidr2_context (optional)
+ * 0x10 za_context (optional)
+ * 0x10 zt_context (optional)
* 0x20 extra_context (optional)
* 0x10 terminator (null _aarch64_ctx)
*
- * 0x510 (reserved for future allocation)
+ * 0x4e0 (reserved for future allocation)
*
* New records that can exceed this space need to be opt-in for userspace, so
* that an expanded signal frame is not generated unexpectedly. The mechanism
--
2.33.0