diff options
Diffstat (limited to 'arch/x86/entry')
-rw-r--r-- | arch/x86/entry/entry_64.S | 5 | ||||
-rw-r--r-- | arch/x86/entry/syscalls/syscall_32.tbl | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 18ed349b4f83..936e19642eab 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -260,8 +260,13 @@ GLOBAL(entry_SYSCALL_64_after_hwframe) * Change top bits to match most significant bit (47th or 56th bit * depending on paging mode) in the address. */ +#ifdef CONFIG_X86_5LEVEL + ALTERNATIVE "shl $(64 - 48), %rcx; sar $(64 - 48), %rcx", \ + "shl $(64 - 57), %rcx; sar $(64 - 57), %rcx", X86_FEATURE_LA57 +#else shl $(64 - (__VIRTUAL_MASK_SHIFT+1)), %rcx sar $(64 - (__VIRTUAL_MASK_SHIFT+1)), %rcx +#endif /* If this changed %rcx, it was not canonical */ cmpq %rcx, %r11 diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index 2a5e99cff859..c58f75b088c5 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -13,7 +13,7 @@ 4 i386 write sys_write 5 i386 open sys_open compat_sys_open 6 i386 close sys_close -7 i386 waitpid sys_waitpid compat_sys_x86_waitpid +7 i386 waitpid sys_waitpid 8 i386 creat sys_creat 9 i386 link sys_link 10 i386 unlink sys_unlink @@ -137,7 +137,7 @@ 128 i386 init_module sys_init_module 129 i386 delete_module sys_delete_module 130 i386 get_kernel_syms -131 i386 quotactl sys_quotactl sys32_quotactl +131 i386 quotactl sys_quotactl compat_sys_quotactl32 132 i386 getpgid sys_getpgid 133 i386 fchdir sys_fchdir 134 i386 bdflush sys_bdflush |