From: toshi.kani@hpe.com (Kani, Toshi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 1/3] ioremap: Update pgtable free interfaces with addr
Date: Tue, 20 Mar 2018 22:58:18 +0000 [thread overview]
Message-ID: <1521586688.2693.231.camel@hpe.com> (raw)
In-Reply-To: <1521546314-31753-2-git-send-email-cpandya@codeaurora.org>
On Tue, 2018-03-20 at 17:15 +0530, Chintan Pandya wrote:
> This patch ("mm/vmalloc: Add interfaces to free unmapped
> page table") adds following 2 interfaces to free the page
> table in case we implement huge mapping.
>
> pud_free_pmd_page() and pmd_free_pte_page()
>
> Some architectures (like arm64) needs to do proper TLB
> maintanance after updating pagetable entry even in map.
> Why ? Read this,
> https://patchwork.kernel.org/patch/10134581/
>
> Pass 'addr' in these interfaces so that proper TLB ops
> can be performed.
>
> Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>
Thanks for the update. The change looks good.
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
-Toshi
next prev parent reply other threads:[~2018-03-20 22:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-20 11:45 [PATCH v4 0/3] Fix issues with huge mapping in ioremap for ARM64 Chintan Pandya
2018-03-20 11:45 ` [PATCH v4 1/3] ioremap: Update pgtable free interfaces with addr Chintan Pandya
2018-03-20 22:58 ` Kani, Toshi [this message]
2018-03-20 11:45 ` [PATCH v4 2/3] arm64: Implement page table free interfaces Chintan Pandya
2018-03-26 9:55 ` Mark Rutland
2018-03-27 4:38 ` Chintan Pandya
2018-03-20 11:45 ` [PATCH v4 3/3] Revert "arm64: Enforce BBM for huge IO/VMAP mappings" Chintan Pandya
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