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Message-ID: <alpine.DEB.2.00.1103311546480.16492@kaball-desktop>
Date: Thu, 31 Mar 2011 15:48:44 +0100
From: Stefano Stabellini <stefano.stabellini@...citrix.com>
To: Michael Leun <lkml20101129@...ton.leun.net>
CC: Yinghai Lu <yinghai@...nel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Greg Kroah-Hartman <gregkh@...e.de>,
Mike Pagano <mpagano@...too.org>
Subject: Re: 2.6.38.2 breaks suspend to disk
On Thu, 31 Mar 2011, Michael Leun wrote:
> Nope, unfortunately this does not change anything (neither when
> applying ontop of the tree resulting from bisecting, nor ontop
> 2.6.38.2).
>
> Just to make shure there was no mistake when bisecting I did
>
> patch -R -p1 <~/linux-2.6.38.y.git-ff518ea26654e05d325d996f6e3a7f5f569cc2d5.txt
>
> and then indeed it worked again.
This patch fixes it for me.
---
save cr4 to mmu_cr4_features at boot time
Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 5a0484a..0943eb2 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -891,6 +891,7 @@ void __init setup_arch(char **cmdline_p)
max_low_pfn = max_pfn;
high_memory = (void *)__va(max_pfn * PAGE_SIZE - 1) + 1;
+ mmu_cr4_features = read_cr4();
#endif
/*
--
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