>>> On 25.04.16 at 15:25, wrote:
> On Thu, Apr 21, 2016 at 03:38:26AM -0600, Jan Beulich wrote:
>> Recent changes to Linux result in there just being a single unmask
>> operation prior to expecting the first interrupts to arrive. However,
>> we've had a chicken-and-egg problem here: Qemu invokes
>
On Thu, Apr 21, 2016 at 03:38:26AM -0600, Jan Beulich wrote:
> Recent changes to Linux result in there just being a single unmask
> operation prior to expecting the first interrupts to arrive. However,
> we've had a chicken-and-egg problem here: Qemu invokes
> xc_domain_update_msi_irq(), ultimately
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 21 April 2016 12:44
> To: Paul Durrant
> Cc: Andrew Cooper; Wei Liu; xen-devel; Keir (Xen.org)
> Subject: RE: [PATCH] x86/vMSI-X: avoid missing first unmask of vectors
>
> >>> On 21.04.16 at 13:33, wrote:
> >> Fro
>>> On 21.04.16 at 13:33, wrote:
>> From: Jan Beulich [mailto:jbeul...@suse.com]
>> Sent: 21 April 2016 10:38
>> --- a/xen/arch/x86/hvm/vmsi.c
>> +++ b/xen/arch/x86/hvm/vmsi.c
>> @@ -341,7 +352,21 @@ static int msixtbl_range(struct vcpu *v,
>> desc = msixtbl_addr_to_desc(msixtbl_find_entry(v,
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 21 April 2016 10:38
> To: xen-devel
> Cc: Andrew Cooper; Paul Durrant; Wei Liu; Keir (Xen.org)
> Subject: [PATCH] x86/vMSI-X: avoid missing first unmask of vectors
>
> Recent changes to Linux result in there just b
>>> On 21.04.16 at 11:38, wrote:
> Recent changes to Linux result in there just being a single unmask
> operation prior to expecting the first interrupts to arrive. However,
> we've had a chicken-and-egg problem here: Qemu invokes
> xc_domain_update_msi_irq(), ultimately leading to
> msixtbl_pt_re
Recent changes to Linux result in there just being a single unmask
operation prior to expecting the first interrupts to arrive. However,
we've had a chicken-and-egg problem here: Qemu invokes
xc_domain_update_msi_irq(), ultimately leading to
msixtbl_pt_register(), upon seeing that first unmask oper
