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author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-30 12:32:10 (GMT) |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 12:32:10 (GMT) |
commit | 2f485ef568372af4680c4e2f8490efb9f2523b05 (patch) | |
tree | d1a244d31333524d2636affe4a862b8058ae4f92 /arch/x86/kernel/paravirt.c | |
parent | 21438f7c138f0b893a32df3cc77434e39a2145f8 (diff) | |
download | linux-fsl-qoriq-2f485ef568372af4680c4e2f8490efb9f2523b05.tar.xz |
x86: move patching code to arch-specific file.
The core patching code for paravirt is sufficiently different
among i386 and x86_64, and we move them to specific files.
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/paravirt.c')
-rw-r--r-- | arch/x86/kernel/paravirt.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index e7c17cc..864be04 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -58,59 +58,9 @@ char *memory_setup(void) extern const char start_##ops##_##name[], end_##ops##_##name[]; \ asm("start_" #ops "_" #name ": " code "; end_" #ops "_" #name ":") -DEF_NATIVE(pv_irq_ops, irq_disable, "cli"); -DEF_NATIVE(pv_irq_ops, irq_enable, "sti"); -DEF_NATIVE(pv_irq_ops, restore_fl, "push %eax; popf"); -DEF_NATIVE(pv_irq_ops, save_fl, "pushf; pop %eax"); -DEF_NATIVE(pv_cpu_ops, iret, "iret"); -DEF_NATIVE(pv_cpu_ops, irq_enable_syscall_ret, "sti; sysexit"); -DEF_NATIVE(pv_mmu_ops, read_cr2, "mov %cr2, %eax"); -DEF_NATIVE(pv_mmu_ops, write_cr3, "mov %eax, %cr3"); -DEF_NATIVE(pv_mmu_ops, read_cr3, "mov %cr3, %eax"); -DEF_NATIVE(pv_cpu_ops, clts, "clts"); -DEF_NATIVE(pv_cpu_ops, read_tsc, "rdtsc"); - /* Undefined instruction for dealing with missing ops pointers. */ static const unsigned char ud2a[] = { 0x0f, 0x0b }; -static unsigned native_patch(u8 type, u16 clobbers, void *ibuf, - unsigned long addr, unsigned len) -{ - const unsigned char *start, *end; - unsigned ret; - - switch(type) { -#define SITE(ops, x) \ - case PARAVIRT_PATCH(ops.x): \ - start = start_##ops##_##x; \ - end = end_##ops##_##x; \ - goto patch_site - - SITE(pv_irq_ops, irq_disable); - SITE(pv_irq_ops, irq_enable); - SITE(pv_irq_ops, restore_fl); - SITE(pv_irq_ops, save_fl); - SITE(pv_cpu_ops, iret); - SITE(pv_cpu_ops, irq_enable_syscall_ret); - SITE(pv_mmu_ops, read_cr2); - SITE(pv_mmu_ops, read_cr3); - SITE(pv_mmu_ops, write_cr3); - SITE(pv_cpu_ops, clts); - SITE(pv_cpu_ops, read_tsc); -#undef SITE - - patch_site: - ret = paravirt_patch_insns(ibuf, len, start, end); - break; - - default: - ret = paravirt_patch_default(type, clobbers, ibuf, addr, len); - break; - } - - return ret; -} - unsigned paravirt_patch_nop(void) { return 0; |