From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>,
"qemu-ppc@nongnu.org list:PowerPC" <qemu-ppc@nongnu.org>,
Alexander Graf <agraf@suse.de>,
"qemu-devel@nongnu.org qemu-devel" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH -V3 2/4] target-ppc: Fix page table lookup with kvm enabled
Date: Mon, 26 Aug 2013 13:45:00 +1000 [thread overview]
Message-ID: <1377488700.3819.33.camel@pasglop> (raw)
In-Reply-To: <87txiddt2h.fsf@linux.vnet.ibm.com>
On Mon, 2013-08-26 at 09:03 +0530, Aneesh Kumar K.V wrote:
>
> because non bolted entries could be invalidated and reused by the time
> we look at the returned hpte values. I am not sure, whether it is ok or
> we need to make sure such a thing doesn't happen. For the use case i am
> looking at, ie, to dump the kernel address looking at bolted entries was
> enough.
It's general debugging right ?, if we stop the simulation we are fine, if we
look at it "live", anything is fair game. Without non-bolted entries, you don't
get vmalloc space for example, which can be annoying for debugging :-)
Cheers,
Ben.
next prev parent reply other threads:[~2013-08-26 3:45 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1377235210-27093-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
[not found] ` <1377235210-27093-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
2013-08-25 18:32 ` [Qemu-devel] [PATCH -V3 1/4] target-ppc: Update slb array with correct index values Alexander Graf
2013-08-26 6:46 ` Aneesh Kumar K.V
2013-08-26 10:31 ` Alexander Graf
2013-08-26 12:16 ` Aneesh Kumar K.V
[not found] ` <1377235210-27093-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
2013-08-25 18:32 ` [Qemu-devel] [PATCH -V3 2/4] target-ppc: Fix page table lookup with kvm enabled Alexander Graf
2013-08-25 21:13 ` [Qemu-devel] [Qemu-ppc] " Benjamin Herrenschmidt
2013-08-26 3:33 ` Aneesh Kumar K.V
2013-08-26 3:45 ` Benjamin Herrenschmidt [this message]
2013-08-26 5:46 ` [Qemu-devel] " Aneesh Kumar K.V
2013-08-26 11:09 ` Alexander Graf
2013-08-26 12:18 ` Aneesh Kumar K.V
[not found] ` <1377235210-27093-4-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
2013-08-25 18:32 ` [Qemu-devel] [PATCH -V3 3/4] target-ppc: Check for error on address translation in memsave command Alexander Graf
2013-08-25 22:17 ` Andreas Färber
2013-08-26 12:20 ` Aneesh Kumar K.V
2013-08-26 12:22 ` Andreas Färber
2013-08-26 13:22 ` Luiz Capitulino
[not found] ` <1377235210-27093-5-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
2013-08-25 18:33 ` [Qemu-devel] [PATCH -V3 4/4] target-ppc: Use #define for max slb entries Alexander Graf
2013-08-25 22:20 ` Andreas Färber
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