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From: Richard Weinberger <richard@nod.at>
To: Daniel Borkmann <dborkman@redhat.com>
Cc: linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] x86, um: actually mark system call tables readonly
Date: Sat, 03 Jan 2015 22:40:58 +0100	[thread overview]
Message-ID: <54A861EA.1070607@nod.at> (raw)
In-Reply-To: <1420287070-23450-1-git-send-email-dborkman@redhat.com>

Am 03.01.2015 um 13:11 schrieb Daniel Borkmann:
> Commit a074335a370e ("x86, um: Mark system call tables readonly") was
> supposed to mark the sys_call_table in UML as RO by adding the const,
> but it doesn't have the desired effect as it's nevertheless being placed
> into the data section since __cacheline_aligned enforces sys_call_table
> being placed into .data..cacheline_aligned instead. We need to use
> the ____cacheline_aligned version instead to fix this issue.

__ vs. ___ oh my...
I'll pick up this patch.

Thanks a lot Daniel!
//richard


  reply	other threads:[~2015-01-03 21:41 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-03 12:11 Daniel Borkmann
2015-01-03 21:40 ` Richard Weinberger [this message]
2015-01-03 23:23   ` Daniel Borkmann

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