6.6-stable review patch. If anyone has any objections, please let me know.
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From: James Clark james.clark@arm.com
[ Upstream commit 2dbba30fd69b604802a9535b74bddb5bcca23793 ]
Since commit d927ef5004ef ("perf cs-etm: Add exception level consistency check"), the exception that was added to Perf will be triggered unless the following bugfix from OpenCSD is present:
- _Version 1.2.1_: - __Bugfix__: ETM4x / ETE - output of context elements to client can in some circumstances be delayed until after subsequent atoms have been processed leading to incorrect memory decode access via the client callbacks. Fixed to flush context elements immediately they are committed.
Rather than remove the assert and silently fail, just increase the minimum version requirement to avoid hard to debug issues and regressions.
Reviewed-by: Ian Rogers irogers@google.com Signed-off-by: James Clark james.clark@arm.com Tested-by: Leo Yan leo.yan@linaro.org Cc: John Garry john.g.garry@oracle.com Cc: Mike Leach mike.leach@linaro.org Cc: Will Deacon will@kernel.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230901133716.677499-1-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/build/feature/test-libopencsd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/build/feature/test-libopencsd.c b/tools/build/feature/test-libopencsd.c index eb6303ff446e..4cfcef9da3e4 100644 --- a/tools/build/feature/test-libopencsd.c +++ b/tools/build/feature/test-libopencsd.c @@ -4,9 +4,9 @@ /* * Check OpenCSD library version is sufficient to provide required features */ -#define OCSD_MIN_VER ((1 << 16) | (1 << 8) | (1)) +#define OCSD_MIN_VER ((1 << 16) | (2 << 8) | (1)) #if !defined(OCSD_VER_NUM) || (OCSD_VER_NUM < OCSD_MIN_VER) -#error "OpenCSD >= 1.1.1 is required" +#error "OpenCSD >= 1.2.1 is required" #endif
int main(void)