From: Will Deacon <will@kernel.org>
To: Zong Li <zong.li@sifive.com>
Cc: akpm@linux-foundation.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] mm: remove the specific name of arm64
Date: Mon, 11 May 2020 11:45:48 +0100 [thread overview]
Message-ID: <20200511104548.GB18310@willie-the-truck> (raw)
In-Reply-To: <3a6a92ecedc54e1d0fc941398e63d504c2cd5611.1589178399.git.zong.li@sifive.com>
On Mon, May 11, 2020 at 02:28:19PM +0800, Zong Li wrote:
> UXN is the name of arm64 page-table descriptors.
>
> Signed-off-by: Zong Li <zong.li@sifive.com>
> CC: Will Deacon <will@kernel.org>
> ---
> mm/Kconfig.debug | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
> index e19f94c6df90..b8cbe035247f 100644
> --- a/mm/Kconfig.debug
> +++ b/mm/Kconfig.debug
> @@ -130,8 +130,6 @@ config DEBUG_WX
>
> This is useful for discovering cases where the kernel is leaving W+X
> mappings after applying NX, as such mappings are a security risk.
> - This check also includes UXN, which should be set on all kernel
> - mappings.
>
> Look for a message in dmesg output like this:
Acked-by: Will Deacon <will@kernel.org>
The commit message needs help, but I'm assuming Andrew will just fold this
into the other patch so it doesn't matter.
Will
next prev parent reply other threads:[~2020-05-11 10:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-11 6:28 [PATCH 0/2] Bugs fix up for DEBUG_WX Zong Li
2020-05-11 6:28 ` [PATCH 1/2] mm: remove the specific name of arm64 Zong Li
2020-05-11 10:45 ` Will Deacon [this message]
2020-05-11 6:28 ` [PATCH 2/2] mm: add MMU dependency for DEBUG_WX Zong Li
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