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Re: [Xen-devel] [PATCH] QEMU(upstream): Disable xen's use of O_DIRECT by default as it results in crashes.

To: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
From: Alex Bligh <alex@xxxxxxxxxxx>
Date: Fri, 08 Mar 2013 11:41:19 +0000
Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>, Alex Bligh <alex@xxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>
Delivery-date: Fri, 08 Mar 2013 11:41:36 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>



--On 8 March 2013 11:18:45 +0000 George Dunlap <george.dunlap@xxxxxxxxxxxxx> 
wrote:

How about me adding the following:

This brings PV devices in line with emulated devices. Removing O_DIRECT
is safe as barrier operations are now correctly passed through.


That sounds good to me -- thanks, Alex.


Done.

--
Alex Bligh

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References:
- Re: [Xen-devel] Fatal crash on xen4.2 HVM + qemu-xen dm + NFS
  - From: Stefano Stabellini
- [Xen-devel] [PATCH] QEMU(upstream): Disable xen's use of O_DIRECT by default as it results in crashes.
  - From: Alex Bligh
- Re: [Xen-devel] [PATCH] QEMU(upstream): Disable xen's use of O_DIRECT by default as it results in crashes.
  - From: Stefano Stabellini
- Re: [Xen-devel] [PATCH] QEMU(upstream): Disable xen's use of O_DIRECT by default as it results in crashes.
  - From: George Dunlap
- Re: [Xen-devel] [PATCH] QEMU(upstream): Disable xen's use of O_DIRECT by default as it results in crashes.
  - From: Alex Bligh
- Re: [Xen-devel] [PATCH] QEMU(upstream): Disable xen's use of O_DIRECT by default as it results in crashes.
  - From: George Dunlap
- Re: [Xen-devel] [PATCH] QEMU(upstream): Disable xen's use of O_DIRECT by default as it results in crashes.
  - From: Alex Bligh
- Re: [Xen-devel] [PATCH] QEMU(upstream): Disable xen's use of O_DIRECT by default as it results in crashes.
  - From: George Dunlap

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