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| author | Denys Vlasenko <dvlasenk@redhat.com> | 2015-06-08 22:35:33 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-06-09 11:48:24 +0200 |
| commit | 9b47feb708e50e6114b4b4193eee67f2e5af9d05 (patch) | |
| tree | 11fd570de01a43a8c3ddfe0ce67dcc8413e6259d /arch | |
| parent | bace7117d3fb59a6ed7ea1aa6c8994df6a28a72a (diff) | |
| download | linux-stable-9b47feb708e50e6114b4b4193eee67f2e5af9d05.tar.gz linux-stable-9b47feb708e50e6114b4b4193eee67f2e5af9d05.tar.bz2 linux-stable-9b47feb708e50e6114b4b4193eee67f2e5af9d05.zip | |
x86/asm/entry: Clean up entry*.S style, final bits
A few bits were missed.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/entry/entry_32.S | 18 | ||||
| -rw-r--r-- | arch/x86/entry/entry_64_compat.S | 14 |
2 files changed, 16 insertions, 16 deletions
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index edd7aadfacfa..21dc60a60b5f 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -12,7 +12,7 @@ * 0(%esp) - %ebx * 4(%esp) - %ecx * 8(%esp) - %edx - * C(%esp) - %esi + * C(%esp) - %esi * 10(%esp) - %edi * 14(%esp) - %ebp * 18(%esp) - %eax @@ -128,7 +128,7 @@ .macro POP_GS pop=0 98: popl %gs .if \pop <> 0 - add $\pop, %esp + add $\pop, %esp .endif .endm .macro POP_GS_EX @@ -487,8 +487,8 @@ ldt_ss: mov %esp, %edx /* load kernel esp */ mov PT_OLDESP(%esp), %eax /* load userspace esp */ mov %dx, %ax /* eax: new kernel esp */ - sub %eax, %edx /* offset (low word is 0) */ - shr $16, %edx + sub %eax, %edx /* offset (low word is 0) */ + shr $16, %edx mov %dl, GDT_ESPFIX_SS + 4 /* bits 16..23 */ mov %dh, GDT_ESPFIX_SS + 7 /* bits 24..31 */ pushl $__ESPFIX_SS @@ -507,7 +507,7 @@ ENDPROC(entry_INT80_32) # perform work that needs to be done immediately before resumption ALIGN work_pending: - testb $_TIF_NEED_RESCHED, %cl + testb $_TIF_NEED_RESCHED, %cl jz work_notifysig work_resched: call schedule @@ -520,7 +520,7 @@ work_resched: andl $_TIF_WORK_MASK, %ecx # is there any work to be done other # than syscall tracing? jz restore_all - testb $_TIF_NEED_RESCHED, %cl + testb $_TIF_NEED_RESCHED, %cl jnz work_resched work_notifysig: # deal with pending signals and @@ -537,8 +537,8 @@ work_notifysig: # deal with pending signals and TRACE_IRQS_ON ENABLE_INTERRUPTS(CLBR_NONE) movb PT_CS(%esp), %bl - andb $SEGMENT_RPL_MASK, %bl - cmpb $USER_RPL, %bl + andb $SEGMENT_RPL_MASK, %bl + cmpb $USER_RPL, %bl jb resume_kernel xorl %edx, %edx call do_notify_resume @@ -609,7 +609,7 @@ END(sysenter_badsys) /* fixup the stack */ mov GDT_ESPFIX_SS + 4, %al /* bits 16..23 */ mov GDT_ESPFIX_SS + 7, %ah /* bits 24..31 */ - shl $16, %eax + shl $16, %eax addl %esp, %eax /* the adjusted stack pointer */ pushl $__KERNEL_DS pushl %eax diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index 5757ddec35d6..2093ce6be203 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -106,8 +106,8 @@ ENTRY(entry_SYSENTER_compat) jnz sysenter_fix_flags sysenter_flags_fixed: - orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) - testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) + orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) + testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) jnz sysenter_tracesys sysenter_do_call: @@ -138,7 +138,7 @@ sysexit_from_sys_call: * This code path is still called 'sysexit' because it pairs * with 'sysenter' and it uses the SYSENTER calling convention. */ - andl $~TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) + andl $~TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) movl RIP(%rsp), %ecx /* User %eip */ RESTORE_RSI_RDI xorl %edx, %edx /* Do not leak kernel information */ @@ -229,7 +229,7 @@ sysexit_audit: #endif sysenter_fix_flags: - pushq $(X86_EFLAGS_IF|X86_EFLAGS_FIXED) + pushq $(X86_EFLAGS_IF|X86_EFLAGS_FIXED) popfq jmp sysenter_flags_fixed @@ -325,9 +325,9 @@ ENTRY(entry_SYSCALL_compat) 1: movl (%r8), %ebp _ASM_EXTABLE(1b, ia32_badarg) ASM_CLAC - orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) - testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) - jnz cstar_tracesys + orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) + testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) + jnz cstar_tracesys cstar_do_call: /* 32-bit syscall -> 64-bit C ABI argument conversion */ |