From: Anthony Liguori <anthony@codemonkey.ws>
To: Eduardo Habkost <ehabkost@redhat.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, gcosta@redhat.com
Subject: Re: [PATCH] Make page_find() return 0 for too-large addresses
Date: Fri, 12 Sep 2008 14:50:33 -0500 [thread overview]
Message-ID: <48CAC809.5000901@codemonkey.ws> (raw)
In-Reply-To: <20080912185856.GM3982@blackpad>
Eduardo Habkost wrote:
> On some cases, such as under KVM, tb_invalidate_phys_page_range()
> may be called for large addresses, when qemu is configured to more than
> 4GB of RAM.
>
> On these cases, qemu was crashing because it was using an index too
> large for l1_map[], that supports only 32-bit addresses when compiling
> without CONFIG_USER_ONLY.
>
Did you have kqemu enabled in the build? l1_map should be sufficiently
large when you have kqemu disabled.
Regards,
Anthony Liguori
WARNING: multiple messages have this Message-ID (diff)
From: Anthony Liguori <anthony@codemonkey.ws>
To: Eduardo Habkost <ehabkost@redhat.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, gcosta@redhat.com
Subject: [Qemu-devel] Re: [PATCH] Make page_find() return 0 for too-large addresses
Date: Fri, 12 Sep 2008 14:50:33 -0500 [thread overview]
Message-ID: <48CAC809.5000901@codemonkey.ws> (raw)
In-Reply-To: <20080912185856.GM3982@blackpad>
Eduardo Habkost wrote:
> On some cases, such as under KVM, tb_invalidate_phys_page_range()
> may be called for large addresses, when qemu is configured to more than
> 4GB of RAM.
>
> On these cases, qemu was crashing because it was using an index too
> large for l1_map[], that supports only 32-bit addresses when compiling
> without CONFIG_USER_ONLY.
>
Did you have kqemu enabled in the build? l1_map should be sufficiently
large when you have kqemu disabled.
Regards,
Anthony Liguori
next prev parent reply other threads:[~2008-09-12 19:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-12 18:58 [PATCH] Make page_find() return 0 for too-large addresses Eduardo Habkost
2008-09-12 18:58 ` [Qemu-devel] " Eduardo Habkost
2008-09-12 19:50 ` Anthony Liguori [this message]
2008-09-12 19:50 ` [Qemu-devel] " Anthony Liguori
2008-09-12 20:14 ` Eduardo Habkost
2008-09-12 20:14 ` [Qemu-devel] " Eduardo Habkost
2008-09-12 20:44 ` Eduardo Habkost
2008-09-12 21:27 ` Anthony Liguori
2008-09-12 21:47 ` Eduardo Habkost
2008-09-15 13:08 ` Glauber Costa
2008-09-15 13:08 ` Glauber Costa
2008-09-15 15:29 ` Anthony Liguori
2008-09-15 15:48 ` Eduardo Habkost
2008-09-15 15:57 ` Anthony Liguori
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