From: James Almer via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: James Almer <code@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH] avutil/aarch64/cpu: fix check for SME on Linux (PR #21162)
Date: Thu, 11 Dec 2025 00:52:08 -0000
Message-ID: <176541432892.39.5978385859006269912@2cb04c0e5124> (raw)
PR #21162 opened by James Almer (jamrial)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21162
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21162.patch
SME is a AT_HWCAP2 entry, not AT_HWCAP.
>From 44862a9d682dfb10dc1e62229861091ee92e2bd3 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Wed, 10 Dec 2025 21:51:11 -0300
Subject: [PATCH] avutil/aarch64/cpu: fix check for SME on Linux
SME is a AT_HWCAP2 entry, not AT_HWCAP.
Signed-off-by: James Almer <jamrial@gmail.com>
---
libavutil/aarch64/cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavutil/aarch64/cpu.c b/libavutil/aarch64/cpu.c
index 3394963303..f93ff08fb5 100644
--- a/libavutil/aarch64/cpu.c
+++ b/libavutil/aarch64/cpu.c
@@ -45,7 +45,7 @@ static int detect_flags(void)
flags |= AV_CPU_FLAG_SVE2;
if (hwcap2 & HWCAP2_AARCH64_I8MM)
flags |= AV_CPU_FLAG_I8MM;
- if (hwcap & HWCAP2_AARCH64_SME)
+ if (hwcap2 & HWCAP2_AARCH64_SME)
flags |= AV_CPU_FLAG_SME;
return flags;
--
2.49.1
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