linux-kernel - Re: [PATCH v1] arm64: tlb: don't set the ttl value in flush_tlb_page

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Date:   Fri, 10 Jul 2020 16:29:08 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     will@...nel.org, Zhenyu Ye <yezhenyu2@...wei.com>
Cc:     arm@...nel.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        xiexiangyou@...wei.com, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v1] arm64: tlb: don't set the ttl value in flush_tlb_page_nosync

On Fri, 10 Jul 2020 17:41:58 +0800, Zhenyu Ye wrote:
> flush_tlb_page_nosync() may be called from pmd level, so we
> can not set the ttl = 3 here.
> 
> The callstack is as follows:
> 
> 	pmdp_set_access_flags
> 		ptep_set_access_flags
> 			flush_tlb_fix_spurious_fault
> 				flush_tlb_page
> 					flush_tlb_page_nosync

Applied to arm64 (for-next/tlbi), thanks!

[1/1] arm64: tlb: don't set the ttl value in flush_tlb_page_nosync
      https://git.kernel.org/arm64/c/61c11656b67b

-- 
Catalin