From: John Donnelly <John.P.Donnelly@Oracle.com>
To: Amit Daniel Kachhap <amit.kachhap@arm.com>,
linux-arm-kernel@lists.infradead.org
Cc: Mark Rutland <mark.rutland@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Bhupesh Sharma <bhsharma@redhat.com>,
kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
James Morse <james.morse@arm.com>,
Dave Anderson <anderson@redhat.com>,
Vincenzo Frascino <Vincenzo.Frascino@arm.com>,
Will Deacon <will@kernel.org>
Subject: Re: [PATCH 2/2] Documentation/vmcoreinfo: Add documentation for 'KERNELPACMASK'
Date: Thu, 19 Mar 2020 08:51:16 -0500 [thread overview]
Message-ID: <5235269c-e3c7-efff-6083-a05a39699735@Oracle.com> (raw)
In-Reply-To: <1584603551-23845-2-git-send-email-amit.kachhap@arm.com>
On 3/19/20 2:39 AM, Amit Daniel Kachhap wrote:
> Add documentation for KERNELPACMASK variable being added to vmcoreinfo.
>
> It indicates the PAC bits mask information of signed kernel pointers if
> ARMv8.3-A Pointer Authentication feature is present.
>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: James Morse <james.morse@arm.com>
> Cc: Dave Anderson <anderson@redhat.com>
> Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com>
> ---
> Documentation/admin-guide/kdump/vmcoreinfo.rst | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst
> index 007a6b8..5cc3ee6 100644
> --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst
> +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst
> @@ -393,6 +393,12 @@ KERNELOFFSET
> The kernel randomization offset. Used to compute the page offset. If
> KASLR is disabled, this value is zero.
>
> +KERNELPACMASK
> +-------------
> +
> +Indicates the PAC bits mask information if Pointer Authentication is
> +enabled and address authentication feature is present.
> +
> arm
> ===
>
>
>
Hi,
Does this require changes to the makedumpfile or crash utilities ?
--
Thank You,
John
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next prev parent reply other threads:[~2020-03-19 13:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-19 7:39 [PATCH 1/2] arm64/crash_core: Export KERNELPACMASK in vmcoreinfo Amit Daniel Kachhap
2020-03-19 7:39 ` [PATCH 2/2] Documentation/vmcoreinfo: Add documentation for 'KERNELPACMASK' Amit Daniel Kachhap
2020-03-19 13:51 ` John Donnelly [this message]
2020-03-20 10:26 ` Amit Kachhap
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