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| author | Thomas Gleixner <tglx@linutronix.de> | 2020-04-21 11:20:35 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-04-26 11:01:22 +0200 |
| commit | 58430c5dba7bfe1d132b3c07f0d7a596852ef55c (patch) | |
| tree | 978fc8e0019377d347b3653a0db71ea2c689c76e /arch/x86/include/asm/pgtable_32.h | |
| parent | 127ac915c8e1c11b8209393e700ca16be0efabe8 (diff) | |
| download | linux-58430c5dba7bfe1d132b3c07f0d7a596852ef55c.tar.gz | |
x86/tlb: Move __flush_tlb_one_kernel() 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 fourth step, move __flush_tlb_one_kernel() 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/20200421092559.535159540@linutronix.de
Diffstat (limited to 'arch/x86/include/asm/pgtable_32.h')
| -rw-r--r-- | arch/x86/include/asm/pgtable_32.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h index 0dca7f7aeff2..bd2ed47cb067 100644 --- a/arch/x86/include/asm/pgtable_32.h +++ b/arch/x86/include/asm/pgtable_32.h @@ -60,7 +60,7 @@ void sync_initial_page_table(void); #define kpte_clear_flush(ptep, vaddr) \ do { \ pte_clear(&init_mm, (vaddr), (ptep)); \ - __flush_tlb_one_kernel((vaddr)); \ + flush_tlb_one_kernel((vaddr)); \ } while (0) #endif /* !__ASSEMBLY__ */ |