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| author |   Brian Gerst <brgerst@gmail.com> | 2020-03-13 15:51:32 -0400 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2020-03-21 16:03:20 +0100 |
| commit | cc42c045af1ff4dee875196f8fe7d6ed1f29ea64 (patch) | |
| tree | a56e67651ad9ce1a480d735272d353ede76cd096 /arch/x86/entry/common.c | |
| parent | x86/entry/64: Use syscall wrappers for x32_rt_sigreturn (diff) | |
| download | linux-dev-cc42c045af1ff4dee875196f8fe7d6ed1f29ea64.tar.xz linux-dev-cc42c045af1ff4dee875196f8fe7d6ed1f29ea64.zip | |
x86/entry/64: Move sys_ni_syscall stub to common.c
so it can be available to multiple syscall tables. Also directly return
-ENOSYS instead of bouncing to the generic sys_ni_syscall().
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200313195144.164260-7-brgerst@gmail.com
Diffstat (limited to 'arch/x86/entry/common.c')
| -rw-r--r-- | arch/x86/entry/common.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c index 9747876980b5..149bf54501ff 100644 --- a/arch/x86/entry/common.c +++ b/arch/x86/entry/common.c @@ -438,3 +438,10 @@ __visible long do_fast_syscall_32(struct pt_regs *regs) #endif } #endif + +#ifdef CONFIG_X86_64 +SYSCALL_DEFINE0(ni_syscall) +{ + return -ENOSYS; +} +#endif |