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| author |   Thomas Gleixner <tglx@linutronix.de> | 2020-04-21 11:20:34 +0200 |
|---|---|---|
| committer |   Borislav Petkov <bp@suse.de> | 2020-04-26 11:00:29 +0200 |
| commit | 127ac915c8e1c11b8209393e700ca16be0efabe8 (patch) | |
| tree | a10211e3901cb5d272e9af4e0a6c8b773442d0e3 /arch/x86/kernel/paravirt.c | |
| parent | x86/tlb: Move __flush_tlb_global() out of line (diff) | |
| download | linux-dev-127ac915c8e1c11b8209393e700ca16be0efabe8.tar.xz linux-dev-127ac915c8e1c11b8209393e700ca16be0efabe8.zip | |
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 <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200421092559.428213098@linutronix.de
Diffstat (limited to 'arch/x86/kernel/paravirt.c')
| -rw-r--r-- | arch/x86/kernel/paravirt.c | 5 |
1 files changed, 0 insertions, 5 deletions
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; |