From: Greg KH <gregkh@linuxfoundation.org>
To: Gregory Price <gourry.memverge@gmail.com>
Cc: linux-kernel@vger.kernel.org, rafael@kernel.org,
Gregory Price <gregory.price@memverge.com>
Subject: Re: [PATCH] base/node.c: initialize the accessor list before registering
Date: Tue, 31 Oct 2023 07:03:17 +0100 [thread overview]
Message-ID: <2023103129-coming-geometric-8ac0@gregkh> (raw)
In-Reply-To: <20231030044239.971756-1-gregory.price@memverge.com>
On Mon, Oct 30, 2023 at 12:42:39AM -0400, Gregory Price wrote:
> The current code registers the node as available in the node array
> before initializing the accessor list. This makes it so that
> anything which might access the accessor list as a result of
> allocations will cause an undefined memory access.
>
> In one example, an extension to access hmat data during interleave
> caused this undefined access as a result of a bulk allocation
> that occurs during node initialization but before the accessor
> list is initialized.
Is this an in-kernel driver that causes this problem?
>
> Initialize the accessor list before making the node generally
> available to the global system.
>
> Signed-off-by: Gregory Price <gregory.price@memverge.com>
What commit id does this fix?
thanks,
greg k-h
next prev parent reply other threads:[~2023-10-31 6:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-30 4:42 [PATCH] base/node.c: initialize the accessor list before registering Gregory Price
2023-10-31 6:03 ` Greg KH [this message]
2023-10-31 4:58 ` Gregory Price
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