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| author | Thomas Gleixner <tglx@linutronix.de> | 2020-04-21 12:20:35 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-04-26 12:01:22 +0300 |
| commit | 58430c5dba7bfe1d132b3c07f0d7a596852ef55c (patch) | |
| tree | 978fc8e0019377d347b3653a0db71ea2c689c76e /arch/x86/mm/init_64.c | |
| parent | 127ac915c8e1c11b8209393e700ca16be0efabe8 (diff) | |
| download | linux-58430c5dba7bfe1d132b3c07f0d7a596852ef55c.tar.xz | |
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/mm/init_64.c')
| -rw-r--r-- | arch/x86/mm/init_64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 9a497ba02440..c7a1c6c23431 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -298,7 +298,7 @@ static void __set_pte_vaddr(pud_t *pud, unsigned long vaddr, pte_t new_pte) * It's enough to flush this one mapping. * (PGE mappings get flushed as well) */ - __flush_tlb_one_kernel(vaddr); + flush_tlb_one_kernel(vaddr); } void set_pte_vaddr_p4d(p4d_t *p4d_page, unsigned long vaddr, pte_t new_pte) |