From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Anthony Liguori <aliguori@us.ibm.com>
Cc: aik@ozlabs.ru, jan.kiszka@siemens.com, qemu-devel@nongnu.org,
agraf@suse.de, hpoussin@reactos.org,
Paolo Bonzini <pbonzini@redhat.com>,
aurelien@aurel32.net
Subject: Re: [Qemu-devel] [PATCH 00/28] Memory API for 1.6: fix I/O port endianness mess
Date: Thu, 25 Jul 2013 15:47:36 +1000 [thread overview]
Message-ID: <1374731256.6142.63.camel@pasglop> (raw)
In-Reply-To: <1374729976.6142.61.camel@pasglop>
On Thu, 2013-07-25 at 15:26 +1000, Benjamin Herrenschmidt wrote:
> On Mon, 2013-07-22 at 10:34 -0500, Anthony Liguori wrote:
> >
> > Really nice series. I'd prefer we simply got rid of the endianness
> > flag
> > entirely but this is a good step.
> >
> > Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
>
> Are you going to merge this ?
>
> Afaik (Alexey just told me), pretty much anything IO is broken for
> powerpc upstream and has been for weeks now ! It looks like the only
> thing that got reverted was the VGA problem but everything else is still
> busted including virtio.
>
> Why hasn't the original breakage been reverted immediately instead ?
It's actually worse than I thought. Alexey is showing me that in fact,
even PCI MMIO is busted, using EHCI causes qemu to segfault for example.
This is a complete trainwreck. Why was that junk merged in the first
place and why wasn't it immediately reverted ?
Ben.
next prev parent reply other threads:[~2013-07-25 5:47 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-22 13:54 [Qemu-devel] [PATCH 00/28] Memory API for 1.6: fix I/O port endianness mess Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 01/28] sh4: do not use isa_mmio Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 02/28] ppc_oldworld: " Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 03/28] ppc_newworld: " Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 04/28] spapr_pci: remove indirection for I/O port access Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 05/28] prep: fix I/O port endianness Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 06/28] mips_jazz: do not use isa_mmio Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 07/28] mips_r4k: " Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 08/28] mips_malta: " Paolo Bonzini
2013-08-28 11:03 ` Aurelien Jarno
2013-08-28 11:13 ` Aurelien Jarno
2013-08-28 11:30 ` Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 09/28] ppc440_bamboo: " Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 10/28] mipssim: " Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 11/28] mips_fulong2e: " Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 12/28] sparc64: remove indirection for I/O port access Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 13/28] ebus: do not use isa_mmio Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 14/28] isa_mmio: delete Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 15/28] Revert "ioport: remove LITTLE_ENDIAN mark for portio" Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 16/28] pc-testdev: support 8 and 16-bit accesses to 0xe0 Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 17/28] pc-testdev: remove useless cpu_to_le64/le64_to_cpu Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 18/28] mips: degrade BIOS error to warning Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 19/28] sh4: unbreak r2d Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 20/28] sparc64: unbreak Paolo Bonzini
2013-07-22 15:32 ` Andreas Färber
2013-07-22 13:54 ` [Qemu-devel] [PATCH 21/28] default-configs: add test device to all machines supporting ISA Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 22/28] default-configs: add SuperIO to SH4 Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 23/28] default-configs/ppc64: add all components of i82378 SuperIO chip used by prep Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 24/28] qtest: add test for ISA I/O space endianness Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 25/28] memory: move functions around Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 26/28] memory: pass MemoryRegion to access_with_adjusted_size Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 27/28] memory: check memory region endianness, not target's Paolo Bonzini
2013-07-22 13:54 ` [Qemu-devel] [PATCH 28/28] pc-testdev: add I/O port to test memory.c auto split/combine Paolo Bonzini
2013-07-22 14:32 ` [Qemu-devel] [PATCH 00/28] Memory API for 1.6: fix I/O port endianness mess Peter Maydell
2013-07-22 14:36 ` Paolo Bonzini
2013-07-22 15:04 ` Peter Maydell
2013-07-22 15:07 ` Paolo Bonzini
2013-07-22 20:16 ` Hervé Poussineau
2013-07-22 21:22 ` Alexander Graf
2013-07-22 21:26 ` Andreas Färber
2013-07-23 9:30 ` Paolo Bonzini
2013-07-22 15:34 ` Anthony Liguori
2013-07-25 5:26 ` Benjamin Herrenschmidt
2013-07-25 5:47 ` Benjamin Herrenschmidt [this message]
2013-07-25 6:04 ` Jan Kiszka
2013-07-25 6:59 ` Alexey Kardashevskiy
2013-07-25 8:41 ` Paolo Bonzini
2013-07-25 8:40 ` Paolo Bonzini
2013-07-25 9:00 ` Benjamin Herrenschmidt
2013-07-25 9:38 ` Peter Maydell
2013-07-25 9:40 ` Paolo Bonzini
2013-07-25 10:25 ` Benjamin Herrenschmidt
2013-07-25 10:23 ` Benjamin Herrenschmidt
2013-07-25 10:25 ` Paolo Bonzini
2013-07-25 13:25 ` Anthony Liguori
2013-07-25 13:28 ` Peter Maydell
2013-07-25 13:33 ` Paolo Bonzini
2013-07-25 13:45 ` Peter Maydell
2013-07-25 14:44 ` Anthony Liguori
2013-07-25 15:16 ` Anthony Liguori
2013-07-25 13:23 ` Anthony Liguori
2013-07-25 14:19 ` Anthony Liguori
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