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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-04-10 08:56:59 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-04-10 08:56:59 +0200
commit8e86652e3e7152bba80c3b4d03814e40ede1abc7 (patch)
tree1b31b94957fba52d8d223d03388b9afd8b522ad6 /tools/testing/selftests/sigaltstack
parent0246b15bbb43404d8d6f0ec86121c05515e0ed0b (diff)
parent09a9639e56c01c7a00d6c0ca63f4c7c41abe075d (diff)
Merge 6.3-rc6 into usb-next
We need the USB fixes in here for testing, and this resolves two merge conflicts, one pointed out by linux-next: drivers/usb/dwc3/dwc3-pci.c drivers/usb/host/xhci-pci.c Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/testing/selftests/sigaltstack')
-rw-r--r--tools/testing/selftests/sigaltstack/current_stack_pointer.h23
-rw-r--r--tools/testing/selftests/sigaltstack/sas.c7
2 files changed, 24 insertions, 6 deletions
diff --git a/tools/testing/selftests/sigaltstack/current_stack_pointer.h b/tools/testing/selftests/sigaltstack/current_stack_pointer.h
new file mode 100644
index 000000000000..ea9bdf3a90b1
--- /dev/null
+++ b/tools/testing/selftests/sigaltstack/current_stack_pointer.h
@@ -0,0 +1,23 @@
+/* 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
diff --git a/tools/testing/selftests/sigaltstack/sas.c b/tools/testing/selftests/sigaltstack/sas.c
index c53b070755b6..98d37cb744fb 100644
--- a/tools/testing/selftests/sigaltstack/sas.c
+++ b/tools/testing/selftests/sigaltstack/sas.c
@@ -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");