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[PATCH] i386: PARAVIRT: rename struct paravirt_patch to paravirt_patch_site for clarity

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Rename struct paravirt_patch to paravirt_patch_site, so that it
clearly refers to a callsite, and not the patch which may be applied
to that callsite.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Zachary Amsden <zach@vmware.com>
This commit is contained in:
Jeremy Fitzhardinge 2007-05-02 19:27:14 +02:00 committed by Andi Kleen
parent d6dd61c831
commit 98de032b68
3 changed files with 13 additions and 7 deletions
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7
arch/i386/kernel/alternative.c
View File

@ -325,9 +325,10 @@ void alternatives_smp_switch(int smp)
#endif
#ifdef CONFIG_PARAVIRT
void apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end)
void apply_paravirt(struct paravirt_patch_site *start,
struct paravirt_patch_site *end)
{
struct paravirt_patch *p;
struct paravirt_patch_site *p;
for (p = start; p < end; p++) {
unsigned int used;
@ -342,7 +343,7 @@ void apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end)
/* Sync to be conservative, in case we patched following instructions */
sync_core();
}
extern struct paravirt_patch __start_parainstructions[],
extern struct paravirt_patch_site __start_parainstructions[],
__stop_parainstructions[];
#endif /* CONFIG_PARAVIRT */

8
include/asm-i386/alternative.h
View File

@ -115,12 +115,14 @@ static inline void alternatives_smp_switch(int smp) {}
#define LOCK_PREFIX ""
#endif
struct paravirt_patch;
struct paravirt_patch_site;
#ifdef CONFIG_PARAVIRT
void apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end);
void apply_paravirt(struct paravirt_patch_site *start,
struct paravirt_patch_site *end);
#else
static inline void
apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end)
apply_paravirt(struct paravirt_patch_site *start,
struct paravirt_patch_site *end)
{}
#define __start_parainstructions NULL
#define __stop_parainstructions NULL

5
include/asm-i386/paravirt.h
View File

@ -505,13 +505,16 @@ void _paravirt_nop(void);
#define paravirt_nop ((void *)_paravirt_nop)
/* These all sit in the .parainstructions section to tell us what to patch. */
struct paravirt_patch {
struct paravirt_patch_site {
u8 *instr; /* original instructions */
u8 instrtype; /* type of this instruction */
u8 len; /* length of original instruction */
u16 clobbers; /* what registers you may clobber */
};
extern struct paravirt_patch_site __parainstructions[],
__parainstructions_end[];
#define paravirt_alt(insn_string, typenum, clobber) \
"771:\n\t" insn_string "\n" "772:\n" \
".pushsection .parainstructions,\"a\"\n" \