[PATCH bpf-next] arm64: mm: Remove misleading pte_none() comment from ptep_try_set()

[PATCH bpf-next] arm64: mm: Remove misleading pte_none() comment from ptep_try_set()

[Tejun Heo]

This comment was thoughtlessly copied from the x86 version and doesn't
apply to arm64. Remove it.

Reported-by: Will Deacon <will@kernel.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
---
 arch/arm64/include/asm/pgtable.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 3ce0f2a6cab6..b0213799ebc4 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -1830,10 +1830,6 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
 	return __ptep_get_and_clear(mm, addr, ptep);
 }
 
-/*
- * Note: strictly-zero compare is narrower than pte_none(), but the gap is
- * harmless: a fresh kernel PTE has no software bits set.
- */
 static inline bool ptep_try_set(pte_t *ptep, pte_t new_pte)
 {
 	pteval_t old = 0;
-- 
2.51.0

Re: [PATCH bpf-next] arm64: mm: Remove misleading pte_none() comment from ptep_try_set()

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Sun, 14 Jun 2026 11:02:09 -1000 you wrote:
> This comment was thoughtlessly copied from the x86 version and doesn't
> apply to arm64. Remove it.
> 
> Reported-by: Will Deacon <will@kernel.org>
> Signed-off-by: Tejun Heo <tj@kernel.org>
> ---
>  arch/arm64/include/asm/pgtable.h | 4 ----
>  1 file changed, 4 deletions(-)

Here is the summary with links:
  - [bpf-next] arm64: mm: Remove misleading pte_none() comment from ptep_try_set()
    https://git.kernel.org/bpf/bpf-next/c/16deef8de06e

You are awesome, thank you!
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