linux_kselftest-next-6.12-rc1-fixes

This kselftest fixes update for Linux 6.12-rc1 consists of an urgent
 fix to vDSO as automated testing is failing due to this bug.
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Merge tag 'linux_kselftest-next-6.12-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fix from Shuah Khan:
 "One urgent fix to vDSO as automated testing is failing due to this
  bug"

* tag 'linux_kselftest-next-6.12-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: vDSO: align stack for O2-optimized memcpy

tools/testing/selftests/vDSO/vdso_standalone_test_x86.c

@@ -131,6 +131,8 @@ asm (
 	"_start:\n\t"
 #ifdef __x86_64__
 	"mov %rsp,%rdi\n\t"
+	"and $-16,%rsp\n\t"
+	"sub $8,%rsp\n\t"
 	"jmp c_main"
 #else
 	"push %esp\n\t"