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From: Andrew Morton <akpm@linux-foundation.org>
To: Yuntao Wang <ytcoode@gmail.com>
Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org,
	Baoquan He <bhe@redhat.com>,
	Eric Biederman <ebiederm@xmission.com>
Subject: Re: [PATCH] kexec_core: fix the assignment to kimage->control_page
Date: Thu, 21 Dec 2023 14:12:58 -0800	[thread overview]
Message-ID: <20231221141258.7113f9b2599ea6d3b6638e08@linux-foundation.org> (raw)
In-Reply-To: <20231221042308.11076-1-ytcoode@gmail.com>

On Thu, 21 Dec 2023 12:23:08 +0800 Yuntao Wang <ytcoode@gmail.com> wrote:

> image->control_page represents the starting address for allocating the next
> control page, while hole_end represents the address of the last valid byte
> of the currently allocated control page.
> 
> Therefore, after successfully allocating a control page, image->control_page
> should be updated to `hole_end + 1`, rather than hole_end.

Thanks.  Again, please include a description of the userspace-visible effects of the bug.

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  reply	other threads:[~2023-12-21 22:13 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-21  4:23 [PATCH] kexec_core: fix the assignment to kimage->control_page Yuntao Wang
2023-12-21 22:12 ` Andrew Morton [this message]
2023-12-22 13:20   ` Yuntao Wang

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