diff options
Diffstat (limited to 'arch/x86/kernel/cpu/mcheck/mce-internal.h')
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce-internal.h | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce-internal.h b/arch/x86/kernel/cpu/mcheck/mce-internal.h index 374d1aa66952..ceb67cd5918f 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-internal.h +++ b/arch/x86/kernel/cpu/mcheck/mce-internal.h @@ -113,21 +113,6 @@ static inline void mce_register_injector_chain(struct notifier_block *nb) { } static inline void mce_unregister_injector_chain(struct notifier_block *nb) { } #endif -#ifndef CONFIG_X86_64 -/* - * On 32-bit systems it would be difficult to safely unmap a poison page - * from the kernel 1:1 map because there are no non-canonical addresses that - * we can use to refer to the address without risking a speculative access. - * However, this isn't much of an issue because: - * 1) Few unmappable pages are in the 1:1 map. Most are in HIGHMEM which - * are only mapped into the kernel as needed - * 2) Few people would run a 32-bit kernel on a machine that supports - * recoverable errors because they have too much memory to boot 32-bit. - */ -static inline void mce_unmap_kpfn(unsigned long pfn) {} -#define mce_unmap_kpfn mce_unmap_kpfn -#endif - struct mca_config { bool dont_log_ce; bool cmci_disabled; |