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[PATCH] x86_64: eliminate set_debug()

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For consistency and to have only a single place of definition, replace
set_debug() uses with set_debugreg(), and eliminate the definition of
thj former.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jan Beulich 2006-03-25 16:29:22 +01:00 • committed by Linus Torvalds
parent 893efca927
commit 2b514e74f4
4 changed files with 8 additions and 16 deletions
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2
arch/x86_64/kernel/process.c
View file

@ -508,7 +508,7 @@ out:
/* /*
* This special macro can be used to load a debugging register * This special macro can be used to load a debugging register
*/ */
#define loaddebug(thread,r) set_debug(thread->debugreg ## r, r) #define loaddebug(thread,r) set_debugreg(thread->debugreg ## r, r)
/* /*
* switch_to(x,y) should switch tasks from x to y. * switch_to(x,y) should switch tasks from x to y.

12
arch/x86_64/kernel/setup64.c
View file

@ -281,12 +281,12 @@ void __cpuinit cpu_init (void)
* Clear all 6 debug registers: * Clear all 6 debug registers:
*/ */
set_debug(0UL, 0); set_debugreg(0UL, 0);
set_debug(0UL, 1); set_debugreg(0UL, 1);
set_debug(0UL, 2); set_debugreg(0UL, 2);
set_debug(0UL, 3); set_debugreg(0UL, 3);
set_debug(0UL, 6); set_debugreg(0UL, 6);
set_debug(0UL, 7); set_debugreg(0UL, 7);
fpu_init(); fpu_init();
} }

4
include/asm-x86_64/suspend.h
View file

@ -39,9 +39,7 @@ extern unsigned long saved_context_r12, saved_context_r13, saved_context_r14, sa
extern unsigned long saved_context_eflags; extern unsigned long saved_context_eflags;
#define loaddebug(thread,register) \ #define loaddebug(thread,register) \
__asm__("movq %0,%%db" #register \ set_debugreg((thread)->debugreg##register, register)
: /* no output */ \
:"r" ((thread)->debugreg##register))
extern void fix_processor_context(void); extern void fix_processor_context(void);

6
include/asm-x86_64/system.h
View file

@ -70,12 +70,6 @@ extern void load_gs_index(unsigned);
".previous" \ ".previous" \
: :"r" (value), "r" (0)) : :"r" (value), "r" (0))
#define set_debug(value,register) \
__asm__("movq %0,%%db" #register \
: /* no output */ \
:"r" ((unsigned long) value))
#ifdef __KERNEL__ #ifdef __KERNEL__
struct alt_instr { struct alt_instr {
__u8 *instr; /* original instruction */ __u8 *instr; /* original instruction */