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kselftest/arm64: signal: Add SVE to the set of features we can check for

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[ Upstream commit d4e4dc4fab686c5f3f185272a19b83930664bef5 ]

Allow testcases for SVE signal handling to flag the dependency and be
skipped on systems without SVE support.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210819134245.13935-2-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mark Brown
2021-08-19 14:42:40 +01:00
committed by Greg Kroah-Hartman
parent 2eaa39d83e
commit 91d4da33c3
2 changed files with 5 additions and 0 deletions
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2
tools/testing/selftests/arm64/signal/test_signals.h
View File

@@ -33,10 +33,12 @@
*/ */
enum { enum {
FSSBS_BIT, FSSBS_BIT,
FSVE_BIT,
FMAX_END FMAX_END
}; };
#define FEAT_SSBS (1UL << FSSBS_BIT) #define FEAT_SSBS (1UL << FSSBS_BIT)
#define FEAT_SVE (1UL << FSVE_BIT)
/* /*
* A descriptor used to describe and configure a test case. * A descriptor used to describe and configure a test case.

3
tools/testing/selftests/arm64/signal/test_signals_utils.c
View File

@@ -26,6 +26,7 @@ static int sig_copyctx = SIGTRAP;
static char const *const feats_names[FMAX_END] = { static char const *const feats_names[FMAX_END] = {
" SSBS ", " SSBS ",
" SVE ",
}; };
#define MAX_FEATS_SZ 128 #define MAX_FEATS_SZ 128
@@ -263,6 +264,8 @@ int test_init(struct tdescr *td)
*/ */
if (getauxval(AT_HWCAP) & HWCAP_SSBS) if (getauxval(AT_HWCAP) & HWCAP_SSBS)
td->feats_supported |= FEAT_SSBS; td->feats_supported |= FEAT_SSBS;
if (getauxval(AT_HWCAP) & HWCAP_SVE)
td->feats_supported |= FEAT_SVE;
if (feats_ok(td)) if (feats_ok(td))
fprintf(stderr, fprintf(stderr,
"Required Features: [%s] supported\n", "Required Features: [%s] supported\n",