Commit 78c09c0f authored by Cristian Marussi's avatar Cristian Marussi Committed by Catalin Marinas
Browse files

kselftest/arm64: signal: Skip SVE signal test if not enough VLs supported 



On platform where SVE is supported but there are less than 2 VLs available
the signal SVE change test should be skipped instead of failing.

Reported-by: default avatarAndre Przywara <andre.przywara@arm.com>
Tested-by: default avatarAndre Przywara <andre.przywara@arm.com>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: default avatarCristian Marussi <cristian.marussi@arm.com>
Reviewed-by: default avatarMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220524103149.2802-1-cristian.marussi@arm.com


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 73e2d827

tools/testing/selftests/arm64/signal/testcases/fake_sigreturn_sve_change_vl.c

+2 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
 * supported and is expected to segfault.

 */



#include <kselftest.h>

#include <signal.h>

#include <ucontext.h>

#include <sys/prctl.h>
@@ -40,6 +41,7 @@ static bool sve_get_vls(struct tdescr *td) 
	/* We need at least two VLs */

	if (nvls < 2) {

		fprintf(stderr, "Only %d VL supported\n", nvls);

		td->result = KSFT_SKIP;

		return false;

	}