Commit d4245fd4 authored by Yuntao Wang's avatar Yuntao Wang Committed by Thomas Gleixner
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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: default avatarYuntao Wang <yuntao.wang@linux.dev>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20240814124645.51019-1-yuntao.wang@linux.dev
parent 1aa0c92f

arch/x86/mm/tlb.c

+0 −1
Original line number Diff line number Diff line
@@ -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);