diff options
| author | David S. Miller <davem@davemloft.net> | 2018-04-21 16:31:52 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-04-21 16:32:48 -0400 |
| commit | e0ada51db907ed2db5d46ad7ff86a8b5df68e59b (patch) | |
| tree | 858966cee69ad8a50e59c4e02dcbde6ba2916151 /arch/x86/include/asm/tlbflush.h | |
| parent | 0638eb573cde5888c0886c7f35da604e5db209a6 (diff) | |
| parent | 83beed7b2b26f232d782127792dd0cd4362fdc41 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts were simple overlapping changes in microchip
driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/x86/include/asm/tlbflush.h')
| -rw-r--r-- | arch/x86/include/asm/tlbflush.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h index 84137c22fdfa..6690cd3fc8b1 100644 --- a/arch/x86/include/asm/tlbflush.h +++ b/arch/x86/include/asm/tlbflush.h @@ -131,7 +131,12 @@ static inline unsigned long build_cr3(pgd_t *pgd, u16 asid) static inline unsigned long build_cr3_noflush(pgd_t *pgd, u16 asid) { VM_WARN_ON_ONCE(asid > MAX_ASID_AVAILABLE); - VM_WARN_ON_ONCE(!this_cpu_has(X86_FEATURE_PCID)); + /* + * Use boot_cpu_has() instead of this_cpu_has() as this function + * might be called during early boot. This should work even after + * boot because all CPU's the have same capabilities: + */ + VM_WARN_ON_ONCE(!boot_cpu_has(X86_FEATURE_PCID)); return __sme_pa(pgd) | kern_pcid(asid) | CR3_NOFLUSH; } |