From 127ac915c8e1c11b8209393e700ca16be0efabe8 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 21 Apr 2020 11:20:34 +0200 Subject: x86/tlb: Move __flush_tlb_one_user() out of line cpu_tlbstate is exported because various TLB-related functions need access to it, but cpu_tlbstate is sensitive information which should only be accessed by well-contained kernel functions and not be directly exposed to modules. As a third step, move _flush_tlb_one_user() out of line and hide the native function. The latter can be static when CONFIG_PARAVIRT is disabled. Consolidate the name space while at it and remove the pointless extra wrapper in the paravirt code. No functional change. Signed-off-by: Thomas Gleixner Signed-off-by: Borislav Petkov Reviewed-by: Alexandre Chartre Acked-by: Peter Zijlstra (Intel) Link: https://lkml.kernel.org/r/20200421092559.428213098@linutronix.de --- arch/x86/kernel/paravirt.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'arch/x86/kernel/paravirt.c') diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 6094b007979c..5638e4ae2ea6 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -160,11 +160,6 @@ unsigned paravirt_patch_insns(void *insn_buff, unsigned len, return insn_len; } -static void native_flush_tlb_one_user(unsigned long addr) -{ - __native_flush_tlb_one_user(addr); -} - struct static_key paravirt_steal_enabled; struct static_key paravirt_steal_rq_enabled; -- cgit