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Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, ioapic: Restore ioapic entries during resume properly
  x86: Get rid of asmregparm
  um: Use RWSEM_GENERIC_SPINLOCK on x86
This commit is contained in:
Linus Torvalds 2011-05-24 11:49:16 -07:00
parent d762f43831 2f344d2e51
commit 988c7f2d6d
5 changed files with 6 additions and 15 deletions
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4
arch/um/Kconfig.x86
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@ -29,10 +29,10 @@ config X86_64
def_bool 64BIT
config RWSEM_XCHGADD_ALGORITHM
def_bool X86_XADD
def_bool X86_XADD && 64BIT
config RWSEM_GENERIC_SPINLOCK
def_bool !X86_XADD
def_bool !RWSEM_XCHGADD_ALGORITHM
config 3_LEVEL_PGTABLES
bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT

5
arch/x86/include/asm/linkage.h
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@ -8,11 +8,6 @@
#ifdef CONFIG_X86_32
#define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0)))
/*
* For 32-bit UML - mark functions implemented in assembly that use
* regparm input parameters:
*/
#define asmregparm __attribute__((regparm(3)))
/*
* Make sure the compiler doesn't do anything stupid with the

4
arch/x86/kernel/apic/io_apic.c
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@ -676,7 +676,7 @@ void mask_ioapic_entries(void)
int apic, pin;
for (apic = 0; apic < nr_ioapics; apic++) {
if (ioapics[apic].saved_registers)
if (!ioapics[apic].saved_registers)
continue;
for (pin = 0; pin < ioapics[apic].nr_registers; pin++) {
@ -699,7 +699,7 @@ int restore_ioapic_entries(void)
int apic, pin;
for (apic = 0; apic < nr_ioapics; apic++) {
if (ioapics[apic].saved_registers)
if (!ioapics[apic].saved_registers)
continue;
for (pin = 0; pin < ioapics[apic].nr_registers; pin++)

4
arch/x86/kernel/ptrace.c
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@ -1363,7 +1363,7 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
* We must return the syscall number to actually look up in the table.
* This can be -1L to skip running any syscall at all.
*/
asmregparm long syscall_trace_enter(struct pt_regs *regs)
long syscall_trace_enter(struct pt_regs *regs)
{
long ret = 0;
@ -1408,7 +1408,7 @@ asmregparm long syscall_trace_enter(struct pt_regs *regs)
return ret ?: regs->orig_ax;
}
asmregparm void syscall_trace_leave(struct pt_regs *regs)
void syscall_trace_leave(struct pt_regs *regs)
{
bool step;

4
include/linux/linkage.h
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@ -14,10 +14,6 @@
#define asmlinkage CPP_ASMLINKAGE
#endif
#ifndef asmregparm
# define asmregparm
#endif
#define __page_aligned_data __section(.data..page_aligned) __aligned(PAGE_SIZE)
#define __page_aligned_bss __section(.bss..page_aligned) __aligned(PAGE_SIZE)