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yaml
---
r: 296426
b: refs/heads/master
c: c56334d
h: refs/heads/master
v: v3
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Al Viro authored and Richard Weinberger committed Mar 24, 2012
1 parent 6a0be69 commit 96d3f94
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Showing 4 changed files with 11 additions and 21 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 10c890c0a303070652f5374ea31a0b29350d14d9
refs/heads/master: c56334dbf7e8772ed84390bc4664427f0a7f3b25
10 changes: 10 additions & 0 deletions trunk/arch/x86/um/asm/processor.h
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Expand Up @@ -17,6 +17,16 @@
#define ARCH_IS_STACKGROW(address) \
(address + 65536 + 32 * sizeof(unsigned long) >= UPT_SP(&current->thread.regs.regs))

#include <asm/user.h>

/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
static inline void rep_nop(void)
{
__asm__ __volatile__("rep;nop": : :"memory");
}

#define cpu_relax() rep_nop()

#include <asm/processor-generic.h>

#endif
10 changes: 0 additions & 10 deletions trunk/arch/x86/um/asm/processor_32.h
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Expand Up @@ -45,16 +45,6 @@ static inline void arch_copy_thread(struct arch_thread *from,
memcpy(&to->tls_array, &from->tls_array, sizeof(from->tls_array));
}

#include <asm/user.h>

/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
static inline void rep_nop(void)
{
__asm__ __volatile__("rep;nop": : :"memory");
}

#define cpu_relax() rep_nop()

/*
* Default implementation of macro that returns current
* instruction pointer ("program counter"). Stolen
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10 changes: 0 additions & 10 deletions trunk/arch/x86/um/asm/processor_64.h
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Expand Up @@ -14,14 +14,6 @@ struct arch_thread {
struct faultinfo faultinfo;
};

/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
static inline void rep_nop(void)
{
__asm__ __volatile__("rep;nop": : :"memory");
}

#define cpu_relax() rep_nop()

#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \
.debugregs_seq = 0, \
.fs = 0, \
Expand All @@ -37,8 +29,6 @@ static inline void arch_copy_thread(struct arch_thread *from,
to->fs = from->fs;
}

#include <asm/user.h>

#define current_text_addr() \
({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; })

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