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x86/entry/64: Use syscall wrappers for x32_rt_sigreturn

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Add missing syscall wrapper for x32_rt_sigreturn().

Signed-off-by: Brian Gerst <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Dominik Brodowski <[email protected]>
Reviewed-by: Andy Lutomirski <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
This commit is contained in:
Brian Gerst authored and Thomas Gleixner committed 2020-03-21 16:03:20 +01:00
1 parent a74d187c2d
commit 27dd84fafc
3 files changed
+2 -7
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arch/x86/entry/syscalls/syscall_64.tbl
+1 -1
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@@ -367,7 +367,7 @@
# is defined.
#
512 x32 rt_sigaction __x32_compat_sys_rt_sigaction
513 x32 rt_sigreturn sys32_x32_rt_sigreturn
513 x32 rt_sigreturn __x32_compat_sys_x32_rt_sigreturn
514 x32 ioctl __x32_compat_sys_ioctl
515 x32 readv __x32_compat_sys_readv
516 x32 writev __x32_compat_sys_writev
arch/x86/include/asm/sighandling.h
-5
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@@ -17,9 +17,4 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
struct pt_regs *regs, unsigned long mask);
#ifdef CONFIG_X86_X32_ABI
asmlinkage long sys32_x32_rt_sigreturn(void);
#endif
#endif /* _ASM_X86_SIGHANDLING_H */
arch/x86/kernel/signal.c
+1 -1
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@@ -859,7 +859,7 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where)
}
#ifdef CONFIG_X86_X32_ABI
asmlinkage long sys32_x32_rt_sigreturn(void)
COMPAT_SYSCALL_DEFINE0(x32_rt_sigreturn)
{
struct pt_regs *regs = current_pt_regs();
struct rt_sigframe_x32 __user *frame;