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move die notifier handling to common code

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This patch moves the die notifier handling to common code.  Previous
various architectures had exactly the same code for it.  Note that the new
code is compiled unconditionally, this should be understood as an appel to
the other architecture maintainer to implement support for it aswell (aka
sprinkling a notify_die or two in the proper place)

arm had a notifiy_die that did something totally different, I renamed it to
arm_notify_die as part of the patch and made it static to the file it's
declared and used at.  avr32 used to pass slightly less information through
this interface and I brought it into line with the other architectures.

[[email protected]: build fix]
[[email protected]: fix vmalloc_sync_all bustage]
[[email protected]: fix vmalloc_sync_all in nommu]
Signed-off-by: Christoph Hellwig <[email protected]>
Cc: <[email protected]>
Cc: Russell King <[email protected]>
Signed-off-by: Bryan Wu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Christoph Hellwig 2007-05-08 00:27:03 -07:00 • committed by Linus Torvalds
commit 1eeb66a1bb
81 changed files with 162 additions and 328 deletions
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24
include/asm-i386/kdebug.h
View file

@ -9,19 +9,8 @@
struct pt_regs;
struct die_args {
struct pt_regs *regs;
const char *str;
long err;
int trapnr;
int signr;
};
extern int register_die_notifier(struct notifier_block *);
extern int unregister_die_notifier(struct notifier_block *);
extern int register_page_fault_notifier(struct notifier_block *);
extern int unregister_page_fault_notifier(struct notifier_block *);
extern struct atomic_notifier_head i386die_chain;
/* Grossly misnamed. */
@ -42,17 +31,4 @@ enum die_val {
DIE_PAGE_FAULT,
};
static inline int notify_die(enum die_val val, const char *str,
struct pt_regs *regs, long err, int trap, int sig)
{
struct die_args args = {
.regs = regs,
.str = str,
.err = err,
.trapnr = trap,
.signr = sig
};
return atomic_notifier_call_chain(&i386die_chain, val, &args);
}
#endif

2
include/asm-i386/pgtable.h
View file

@ -243,8 +243,6 @@ static inline pte_t pte_mkyoung(pte_t pte) { (pte).pte_low |= _PAGE_ACCESSED; re
static inline pte_t pte_mkwrite(pte_t pte) { (pte).pte_low |= _PAGE_RW; return pte; }
static inline pte_t pte_mkhuge(pte_t pte) { (pte).pte_low |= _PAGE_PSE; return pte; }
extern void vmalloc_sync_all(void);
#ifdef CONFIG_X86_PAE
# include <asm/pgtable-3level.h>
#else