From: viro@ZenIV.linux.org.uk (Al Viro)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: Always use REFCOUNT_FULL
Date: Thu, 21 Sep 2017 18:45:48 +0100 [thread overview]
Message-ID: <20170921174548.GM32076@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20170920204959.GA79741@beast>
On Wed, Sep 20, 2017 at 01:49:59PM -0700, Kees Cook wrote:
> As discussed at the Linux Security Summit, arm64 prefers to use
> REFCOUNT_FULL by default. This enables it for the architecture.
>
> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> Cc: hw.likun at huawei.com
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: linux-arm-kernel at lists.infradead.org
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
> arch/arm64/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 0df64a6a56d4..9fe7a7f4c94c 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -119,6 +119,7 @@ config ARM64
> select PCI_ECAM if ACPI
> select POWER_RESET
> select POWER_SUPPLY
> + select REFCOUNT_FULL
Umm... That does a bit more than "on by default", unless I'm
misreading it. More like "on, and you can't opt out"...
WARNING: multiple messages have this Message-ID (diff)
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Kees Cook <keescook@chromium.org>
Cc: linux-kernel@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
linux-arm-kernel@lists.infradead.org,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
hw.likun@huawei.com
Subject: Re: [PATCH] arm64: Always use REFCOUNT_FULL
Date: Thu, 21 Sep 2017 18:45:48 +0100 [thread overview]
Message-ID: <20170921174548.GM32076@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20170920204959.GA79741@beast>
On Wed, Sep 20, 2017 at 01:49:59PM -0700, Kees Cook wrote:
> As discussed at the Linux Security Summit, arm64 prefers to use
> REFCOUNT_FULL by default. This enables it for the architecture.
>
> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> Cc: hw.likun@huawei.com
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: linux-arm-kernel@lists.infradead.org
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
> arch/arm64/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 0df64a6a56d4..9fe7a7f4c94c 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -119,6 +119,7 @@ config ARM64
> select PCI_ECAM if ACPI
> select POWER_RESET
> select POWER_SUPPLY
> + select REFCOUNT_FULL
Umm... That does a bit more than "on by default", unless I'm
misreading it. More like "on, and you can't opt out"...
next prev parent reply other threads:[~2017-09-21 17:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-20 20:49 [PATCH] arm64: Always use REFCOUNT_FULL Kees Cook
2017-09-20 20:49 ` Kees Cook
2017-09-20 22:44 ` Ard Biesheuvel
2017-09-20 22:44 ` Ard Biesheuvel
2017-09-21 17:45 ` Al Viro [this message]
2017-09-21 17:45 ` Al Viro
2017-09-21 17:52 ` Kees Cook
2017-09-21 17:52 ` Kees Cook
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170921174548.GM32076@ZenIV.linux.org.uk \
--to=viro@zeniv.linux.org.uk \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.