Messages in this thread Patch in this message | | | Date | Wed, 18 Jun 2008 12:42:11 +0100 | From | "Jan Beulich" <> | Subject | [PATCH] x86-64: remove unnecessary ptregs call stubs |
| |
A few of the ptregs call stubs are superfluous these days - the called functions don't have a trailing 'struct pt_regs *' parameter anymore.
Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Jan Beulich <jbeulich@novell.com>
--- arch/x86/ia32/ia32entry.S | 6 ++---- arch/x86/kernel/entry_64.S | 1 - include/asm-x86/unistd_64.h | 2 +- 3 files changed, 3 insertions(+), 6 deletions(-)
--- linux-2.6.26-rc6/arch/x86/ia32/ia32entry.S 2008-06-18 12:49:29.000000000 +0200 +++ 2.6.26-rc6-x86_64-remove-ptregs-stubs/arch/x86/ia32/ia32entry.S 2008-06-11 12:26:13.000000000 +0200 @@ -370,13 +370,11 @@ quiet_ni_syscall: PTREGSCALL stub32_rt_sigreturn, sys32_rt_sigreturn, %rdi PTREGSCALL stub32_sigreturn, sys32_sigreturn, %rdi PTREGSCALL stub32_sigaltstack, sys32_sigaltstack, %rdx - PTREGSCALL stub32_sigsuspend, sys32_sigsuspend, %rcx PTREGSCALL stub32_execve, sys32_execve, %rcx PTREGSCALL stub32_fork, sys_fork, %rdi PTREGSCALL stub32_clone, sys32_clone, %rdx PTREGSCALL stub32_vfork, sys_vfork, %rdi PTREGSCALL stub32_iopl, sys_iopl, %rsi - PTREGSCALL stub32_rt_sigsuspend, sys_rt_sigsuspend, %rdx ENTRY(ia32_ptregs_common) popq %r11 @@ -476,7 +474,7 @@ ia32_sys_call_table: .quad sys_ssetmask .quad sys_setreuid16 /* 70 */ .quad sys_setregid16 - .quad stub32_sigsuspend + .quad sys32_sigsuspend .quad compat_sys_sigpending .quad sys_sethostname .quad compat_sys_setrlimit /* 75 */ @@ -583,7 +581,7 @@ ia32_sys_call_table: .quad sys32_rt_sigpending .quad compat_sys_rt_sigtimedwait .quad sys32_rt_sigqueueinfo - .quad stub32_rt_sigsuspend + .quad sys_rt_sigsuspend .quad sys32_pread /* 180 */ .quad sys32_pwrite .quad sys_chown16 --- linux-2.6.26-rc6/arch/x86/kernel/entry_64.S 2008-06-18 12:49:29.000000000 +0200 +++ 2.6.26-rc6-x86_64-remove-ptregs-stubs/arch/x86/kernel/entry_64.S 2008-06-11 12:24:52.000000000 +0200 @@ -420,7 +420,6 @@ END(\label) PTREGSCALL stub_clone, sys_clone, %r8 PTREGSCALL stub_fork, sys_fork, %rdi PTREGSCALL stub_vfork, sys_vfork, %rdi - PTREGSCALL stub_rt_sigsuspend, sys_rt_sigsuspend, %rdx PTREGSCALL stub_sigaltstack, sys_sigaltstack, %rdx PTREGSCALL stub_iopl, sys_iopl, %rsi --- linux-2.6.26-rc6/include/asm-x86/unistd_64.h 2008-06-18 12:49:47.000000000 +0200 +++ 2.6.26-rc6-x86_64-remove-ptregs-stubs/include/asm-x86/unistd_64.h 2008-06-11 12:29:56.000000000 +0200 @@ -290,7 +290,7 @@ __SYSCALL(__NR_rt_sigtimedwait, sys_rt_s #define __NR_rt_sigqueueinfo 129 __SYSCALL(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo) #define __NR_rt_sigsuspend 130 -__SYSCALL(__NR_rt_sigsuspend, stub_rt_sigsuspend) +__SYSCALL(__NR_rt_sigsuspend, sys_rt_sigsuspend) #define __NR_sigaltstack 131 __SYSCALL(__NR_sigaltstack, stub_sigaltstack) #define __NR_utime 132
| |