[PATCH 05/11] kselftest/arm64: Exit with an error code on data mismatches in fp-stress

From: Mark Brown

Date: Tue Sep 01 2026 - 13:52:58 EST


Several of the fp-stress test loads have blocks at the end of their barf
functions with a range of commented out options for how to exit the program
after logging an error. Comments indicate that these were intended to
interact with some long gone debugging code in the kernel. At the minute
the option selected by all the programs is to delivera SIGABRT to
themselves but there is no need to do this over a normal exit with a non
zero status. In order to facilitate running as a KVM guest replace these
repeated blocks with calls to exit_error(), this will integrate just as
well with the fp-stress harness.

Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
tools/testing/selftests/arm64/fp/sve-test.S | 14 +-------------
tools/testing/selftests/arm64/fp/za-test.S | 14 +-------------
tools/testing/selftests/arm64/fp/zt-test.S | 14 +-------------
3 files changed, 3 insertions(+), 39 deletions(-)

diff --git a/tools/testing/selftests/arm64/fp/sve-test.S b/tools/testing/selftests/arm64/fp/sve-test.S
index 26efdbdd88f9..88c3220caf7c 100644
--- a/tools/testing/selftests/arm64/fp/sve-test.S
+++ b/tools/testing/selftests/arm64/fp/sve-test.S
@@ -515,19 +515,7 @@ function barf
bl putdecn
#endif

- mov x8, #__NR_getpid
- svc #0
-// fpsimd.c acitivty log dump hack
-// ldr w0, =0xdeadc0de
-// mov w8, #__NR_exit
-// svc #0
-// ^ end of hack
- mov x1, #SIGABRT
- mov x8, #__NR_kill
- svc #0
-// mov x8, #__NR_exit
-// mov x1, #1
-// svc #0
+ b exit_error
endfunction

function vl_barf
diff --git a/tools/testing/selftests/arm64/fp/za-test.S b/tools/testing/selftests/arm64/fp/za-test.S
index 7208bb2db9f1..4a5b4b37d475 100644
--- a/tools/testing/selftests/arm64/fp/za-test.S
+++ b/tools/testing/selftests/arm64/fp/za-test.S
@@ -326,19 +326,7 @@ function barf
mov x0, x13
bl putdecn

- mov x8, #__NR_getpid
- svc #0
-// fpsimd.c acitivty log dump hack
-// ldr w0, =0xdeadc0de
-// mov w8, #__NR_exit
-// svc #0
-// ^ end of hack
- mov x1, #SIGABRT
- mov x8, #__NR_kill
- svc #0
-// mov x8, #__NR_exit
-// mov x1, #1
-// svc #0
+ b exit_error
endfunction

function vl_barf
diff --git a/tools/testing/selftests/arm64/fp/zt-test.S b/tools/testing/selftests/arm64/fp/zt-test.S
index c6cfbdeb2f0c..82a76bb2307a 100644
--- a/tools/testing/selftests/arm64/fp/zt-test.S
+++ b/tools/testing/selftests/arm64/fp/zt-test.S
@@ -256,19 +256,7 @@ function barf
mov x0, x13
bl putdecn

- mov x8, #__NR_getpid
- svc #0
-// fpsimd.c acitivty log dump hack
-// ldr w0, =0xdeadc0de
-// mov w8, #__NR_exit
-// svc #0
-// ^ end of hack
- mov x1, #SIGABRT
- mov x8, #__NR_kill
- svc #0
-// mov x8, #__NR_exit
-// mov x1, #1
-// svc #0
+ b exit_error
endfunction

function svcr_barf

--
2.47.3