diff options
| author | Yuntao Wang <yuntao.wang@linux.dev> | 2024-08-14 20:46:45 +0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2024-08-14 19:41:40 +0200 |
| commit | d4245fd4a62931aebd1c5e6b7b6f51b6ef7ad087 (patch) | |
| tree | 627bb2ef82fe120cc082b577e658ba71e83d294c | |
| parent | 1aa0c92f816b3a136cc3a31ef184206a19fc3c03 (diff) | |
x86/mm: Remove duplicate check from build_cr3()
There is already a check for 'asid > MAX_ASID_AVAILABLE' in kern_pcid(), so
it is unnecessary to perform this check in build_cr3() right before calling
kern_pcid().
Remove it.
Signed-off-by: Yuntao Wang <yuntao.wang@linux.dev>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20240814124645.51019-1-yuntao.wang@linux.dev
| -rw-r--r-- | arch/x86/mm/tlb.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 09950feffd07..86593d1b787d 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -158,7 +158,6 @@ static inline unsigned long build_cr3(pgd_t *pgd, u16 asid, unsigned long lam) unsigned long cr3 = __sme_pa(pgd) | lam; if (static_cpu_has(X86_FEATURE_PCID)) { - VM_WARN_ON_ONCE(asid > MAX_ASID_AVAILABLE); cr3 |= kern_pcid(asid); } else { VM_WARN_ON_ONCE(asid != 0); |