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ia64/pv_ops: implement binary patching optimization for native.

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implement binary patching optimization for pv_cpu_ops.
With this optimization, indirect call for pv_cpu_ops methods can be
converted into inline execution or direct call.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Isaku Yamahata
2009-03-04 21:06:52 +09:00
committed by Tony Luck
parent bf7ab02f62
commit 03f511dd02
7 changed files with 898 additions and 25 deletions
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8
arch/ia64/include/asm/paravirt.h
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@ -118,6 +118,14 @@ struct pv_init_ops {
int (*arch_setup_nomca)(void);
void (*post_smp_prepare_boot_cpu)(void);
#ifdef ASM_SUPPORTED
unsigned long (*patch_bundle)(void *sbundle, void *ebundle,
unsigned long type);
unsigned long (*patch_inst)(unsigned long stag, unsigned long etag,
unsigned long type);
#endif
void (*patch_branch)(unsigned long tag, unsigned long type);
};
extern struct pv_init_ops pv_init_ops;