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authorSven Schnelle <svens@linux.ibm.com>2021-06-25 15:06:06 +0200
committerVasily Gorbik <gor@linux.ibm.com>2021-07-08 22:12:17 +0200
commitfbf50f47ea99d07aec59859027352d4837e84ce1 (patch)
tree1d8aae4f639d404a5619c0739485002bde932f4c /arch/s390/include/asm
parentdf29a7440c4b5c65765c8f60396b3b13063e24e9 (diff)
s390/signal: remove sigreturn on stack
{rt_}sigreturn is now called from the vdso, so we no longer need the svc on the stack, and therefore no hack to support that mechanism on machines with non-executable stack. Signed-off-by: Sven Schnelle <svens@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm')
-rw-r--r--arch/s390/include/asm/entry-common.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/s390/include/asm/entry-common.h b/arch/s390/include/asm/entry-common.h
index baa8005090c3..17aead80aadb 100644
--- a/arch/s390/include/asm/entry-common.h
+++ b/arch/s390/include/asm/entry-common.h
@@ -14,7 +14,6 @@
#define ARCH_EXIT_TO_USER_MODE_WORK (_TIF_GUARDED_STORAGE | _TIF_PER_TRAP)
void do_per_trap(struct pt_regs *regs);
-void do_syscall(struct pt_regs *regs);
#ifdef CONFIG_DEBUG_ENTRY
static __always_inline void arch_check_user_regs(struct pt_regs *regs)