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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-24 11:49:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-24 11:49:16 -0700
commit988c7f2d6d5622c2407bcad49c0349fbad6489a7 (patch)
treee594aed350730f13874967b2765d21a7f515ea18
parentd762f4383100c2a87b1a3f2d678cd3b5425655b4 (diff)
parent2f344d2e51888785be551a756d8a8aa58269aaa8 (diff)
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
-rw-r--r--arch/um/Kconfig.x864
-rw-r--r--arch/x86/include/asm/linkage.h5
-rw-r--r--arch/x86/kernel/apic/io_apic.c4
-rw-r--r--arch/x86/kernel/ptrace.c4
-rw-r--r--include/linux/linkage.h4
5 files changed, 6 insertions, 15 deletions
diff --git a/arch/um/Kconfig.x86 b/arch/um/Kconfig.x86
index a9da516a5274..795ea8e869f4 100644
--- a/arch/um/Kconfig.x86
+++ b/arch/um/Kconfig.x86
@@ -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
diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h
index 12d55e773eb6..48142971b25d 100644
--- a/arch/x86/include/asm/linkage.h
+++ b/arch/x86/include/asm/linkage.h
@@ -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
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 9488dcff7aec..e5293394b548 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -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++)
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index f65e5b521dbd..807c2a2b80f1 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -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;
diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index 7135ebc8428c..3f46aedea42f 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -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)