diff options
| author |   Juergen Gross <jgross@suse.com> | 2021-03-11 15:23:19 +0100 |
|---|---|---|
| committer |   Borislav Petkov <bp@suse.de> | 2021-03-11 20:11:09 +0100 |
| commit | 054ac8ad5ebe4a69e1f0e842483821ddbe560121 (patch) | |
| tree | d815fdb8b63c33ddeaad9b7a778aed1b2888b2cf /arch/x86/include/asm/paravirt_types.h | |
| parent | x86/paravirt: Switch functions with custom code to ALTERNATIVE (diff) | |
| download | linux-dev-054ac8ad5ebe4a69e1f0e842483821ddbe560121.tar.xz linux-dev-054ac8ad5ebe4a69e1f0e842483821ddbe560121.zip | |
x86/paravirt: Have only one paravirt patch function
There is no need any longer to have different paravirt patch functions
for native and Xen. Eliminate native_patch() and rename
paravirt_patch_default() to paravirt_patch().
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20210311142319.4723-15-jgross@suse.com
Diffstat (limited to 'arch/x86/include/asm/paravirt_types.h')
| -rw-r--r-- | arch/x86/include/asm/paravirt_types.h | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 588ff14ce969..9d1ddb7b4350 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -68,19 +68,6 @@ struct pv_info { const char *name; }; -struct pv_init_ops { - /* - * Patch may replace one of the defined code sequences with - * arbitrary code, subject to the same register constraints. - * This generally means the code is not free to clobber any - * registers other than EAX. The patch function should return - * the number of bytes of code generated, as we nop pad the - * rest in generic code. - */ - unsigned (*patch)(u8 type, void *insn_buff, - unsigned long addr, unsigned len); -} __no_randomize_layout; - #ifdef CONFIG_PARAVIRT_XXL struct pv_lazy_ops { /* Set deferred update mode, used for batching operations. */ @@ -276,7 +263,6 @@ struct pv_lock_ops { * number for each function using the offset which we use to indicate * what to patch. */ struct paravirt_patch_template { - struct pv_init_ops init; struct pv_cpu_ops cpu; struct pv_irq_ops irq; struct pv_mmu_ops mmu; @@ -317,10 +303,7 @@ extern void (*paravirt_iret)(void); /* Simple instruction patching code. */ #define NATIVE_LABEL(a,x,b) "\n\t.globl " a #x "_" #b "\n" a #x "_" #b ":\n\t" -unsigned paravirt_patch_default(u8 type, void *insn_buff, unsigned long addr, unsigned len); -unsigned paravirt_patch_insns(void *insn_buff, unsigned len, const char *start, const char *end); - -unsigned native_patch(u8 type, void *insn_buff, unsigned long addr, unsigned len); +unsigned int paravirt_patch(u8 type, void *insn_buff, unsigned long addr, unsigned int len); int paravirt_disable_iospace(void); |