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 <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Link: https://lore.kernel.org/all/[email protected]
wafgo · Aug 14, 2024 · d4245fd · d4245fd
1 parent 1aa0c92
commit d4245fd
Showing 1 changed file with 0 additions and 1 deletion.
diff --git 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);