From: "Michael S. Tsirkin" <mst@redhat.com>
To: Isaku Yamahata <yamahata@valinux.co.jp>
Cc: skandasa@cisco.com, adnan@khaleel.us, etmartin@cisco.com,
qemu-devel@nongnu.org, wexu2@cisco.com
Subject: [Qemu-devel] Re: [PATCH 0/2] Re: [PATCH v9 5/8] pcie/aer: helper functions for pcie aer capability
Date: Fri, 19 Nov 2010 14:03:26 +0200 [thread overview]
Message-ID: <20101119120326.GB5713@redhat.com> (raw)
In-Reply-To: <20101119094226.GB16942@valinux.co.jp>
On Fri, Nov 19, 2010 at 06:42:27PM +0900, Isaku Yamahata wrote:
> On Wed, Nov 17, 2010 at 04:06:38PM +0200, Michael S. Tsirkin wrote:
> > Please, try to address the TODO: I think the case of
> > PCIE device behind a pci bridge is not covered properly.
>
> Right, pci-to-pcie bridge case isn't covered.
> Although SERR bit can be set, the error can't be propagated up further
> because qemu doesn't emulate PERR#/SERR#.
>
> There is no use case of pci-to-pcie bridge in qemu, I think.
I think it's useful to put an express device behind
a pci bridge in qemu, because pci bridges are tested
and supported by more guests.
> If good error handling is wanted, express should be used.
> So it isn't worthwhile to implement pci-to-pcie bridge.
Okay, we can look into this later.
> --
> yamahata
next prev parent reply other threads:[~2010-11-19 12:04 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-16 8:26 [Qemu-devel] [PATCH v9 0/8] pcie port switch emulators Isaku Yamahata
2010-11-16 8:26 ` [Qemu-devel] [PATCH v9 1/8] pci: revise pci command register initialization Isaku Yamahata
2010-11-16 10:50 ` [Qemu-devel] " Michael S. Tsirkin
2010-11-17 2:03 ` Isaku Yamahata
2010-11-17 12:02 ` Michael S. Tsirkin
2010-11-18 2:08 ` Isaku Yamahata
2010-11-18 6:42 ` Michael S. Tsirkin
2010-11-16 8:26 ` [Qemu-devel] [PATCH v9 2/8] pci: fix accesses to pci status register Isaku Yamahata
2010-11-16 10:52 ` [Qemu-devel] " Michael S. Tsirkin
2010-11-17 4:17 ` Isaku Yamahata
2010-11-16 8:26 ` [Qemu-devel] [PATCH v9 3/8] pci: clean up of " Isaku Yamahata
2010-11-16 14:01 ` [Qemu-devel] " Michael S. Tsirkin
2010-11-16 8:26 ` [Qemu-devel] [PATCH v9 4/8] pcie_regs.h: more constants Isaku Yamahata
2010-11-16 8:26 ` [Qemu-devel] [PATCH v9 5/8] pcie/aer: helper functions for pcie aer capability Isaku Yamahata
2010-11-17 14:06 ` [Qemu-devel] [PATCH 0/2] " Michael S. Tsirkin
2010-11-17 14:06 ` [Qemu-devel] [PATCH 1/2] pcie_aer: get rid of recursion Michael S. Tsirkin
2010-11-17 14:06 ` [Qemu-devel] [PATCH 2/2] pcie_aer: complete unwinding recursion Michael S. Tsirkin
2010-11-18 8:11 ` [Qemu-devel] Re: [PATCH 0/2] Re: [PATCH v9 5/8] pcie/aer: helper functions for pcie aer capability Isaku Yamahata
2010-11-18 8:52 ` Michael S. Tsirkin
2010-11-19 9:42 ` Isaku Yamahata
2010-11-19 12:03 ` Michael S. Tsirkin [this message]
2010-11-16 8:26 ` [Qemu-devel] [PATCH v9 6/8] ioh3420: support aer Isaku Yamahata
2010-11-16 8:26 ` [Qemu-devel] [PATCH v9 7/8] x3130/upstream: " Isaku Yamahata
2010-11-16 8:26 ` [Qemu-devel] [PATCH v9 8/8] x3130/downstream: " Isaku Yamahata
[not found] ` <1289930315.27724.18.camel@etmartin-lnx>
2010-11-16 18:57 ` [Qemu-devel] " Etienne Martineau
2010-11-17 4:07 ` Isaku Yamahata
2010-11-17 5:31 ` Etienne Martineau
2010-11-18 2:19 ` Isaku Yamahata
2010-11-17 14:38 ` [Qemu-devel] Re: [PATCH v9 0/8] pcie port switch emulators Michael S. Tsirkin
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