Commit 756c1a05 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'linux-kselftest-fixes-6.3-rc5' of... 

Merge tag 'linux-kselftest-fixes-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest fixes from Shuah Khan:
 "One single fix for sigaltstack test -Wuninitialized warning found when
  building with clang"

* tag 'linux-kselftest-fixes-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: sigaltstack: fix -Wuninitialized
parents 05c24161 05107edc

tools/testing/selftests/sigaltstack/current_stack_pointer.h

0 → 100644
+23 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */



#if __alpha__

register unsigned long sp asm("$30");

#elif __arm__ || __aarch64__ || __csky__ || __m68k__ || __mips__ || __riscv

register unsigned long sp asm("sp");

#elif __i386__

register unsigned long sp asm("esp");

#elif __loongarch64

register unsigned long sp asm("$sp");

#elif __ppc__

register unsigned long sp asm("r1");

#elif __s390x__

register unsigned long sp asm("%15");

#elif __sh__

register unsigned long sp asm("r15");

#elif __x86_64__

register unsigned long sp asm("rsp");

#elif __XTENSA__

register unsigned long sp asm("a1");

#else

#error "implement current_stack_pointer equivalent"

#endif

tools/testing/selftests/sigaltstack/sas.c

+1 −6
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <sys/auxv.h>



#include "../kselftest.h"

#include "current_stack_pointer.h"



#ifndef SS_AUTODISARM

#define SS_AUTODISARM  (1U << 31)
@@ -46,12 +47,6 @@ void my_usr1(int sig, siginfo_t *si, void *u) 
	stack_t stk;

	struct stk_data *p;



#if __s390x__

	register unsigned long sp asm("%15");

#else

	register unsigned long sp asm("sp");

#endif



	if (sp < (unsigned long)sstack ||

			sp >= (unsigned long)sstack + stack_size) {

		ksft_exit_fail_msg("SP is not on sigaltstack\n");