On 11/02/16 23:15, Rob Herring wrote:
> On Thu, Feb 11, 2016 at 5:04 AM, Marc Zyngier wrote:
>> On 09/02/16 11:04, Robin Murphy wrote:
>>> The existing msi-map code is fine for shifting the entire RID space
>>> upwards, but attempting finer-grained remapping reveals a bug. It turns
>>> out that
On 11/02/16 23:15, Rob Herring wrote:
> On Thu, Feb 11, 2016 at 5:04 AM, Marc Zyngier wrote:
>> On 09/02/16 11:04, Robin Murphy wrote:
>>> The existing msi-map code is fine for shifting the entire RID space
>>> upwards, but attempting finer-grained remapping reveals a bug.
On Thu, Feb 11, 2016 at 5:04 AM, Marc Zyngier wrote:
> On 09/02/16 11:04, Robin Murphy wrote:
>> The existing msi-map code is fine for shifting the entire RID space
>> upwards, but attempting finer-grained remapping reveals a bug. It turns
>> out that we are mistakenly treating the msi-base part
On 2/11/2016 3:04 AM, Marc Zyngier wrote:
> On 09/02/16 11:04, Robin Murphy wrote:
>> The existing msi-map code is fine for shifting the entire RID space
>> upwards, but attempting finer-grained remapping reveals a bug. It turns
>> out that we are mistakenly treating the msi-base part as an
On 09/02/16 11:04, Robin Murphy wrote:
> The existing msi-map code is fine for shifting the entire RID space
> upwards, but attempting finer-grained remapping reveals a bug. It turns
> out that we are mistakenly treating the msi-base part as an offset, not
> as a new base to remap onto, so things
On Thu, Feb 11, 2016 at 5:04 AM, Marc Zyngier wrote:
> On 09/02/16 11:04, Robin Murphy wrote:
>> The existing msi-map code is fine for shifting the entire RID space
>> upwards, but attempting finer-grained remapping reveals a bug. It turns
>> out that we are mistakenly
On 2/11/2016 3:04 AM, Marc Zyngier wrote:
> On 09/02/16 11:04, Robin Murphy wrote:
>> The existing msi-map code is fine for shifting the entire RID space
>> upwards, but attempting finer-grained remapping reveals a bug. It turns
>> out that we are mistakenly treating the msi-base part as an
On 09/02/16 11:04, Robin Murphy wrote:
> The existing msi-map code is fine for shifting the entire RID space
> upwards, but attempting finer-grained remapping reveals a bug. It turns
> out that we are mistakenly treating the msi-base part as an offset, not
> as a new base to remap onto, so things
On Tue, Feb 09, 2016 at 04:17:33PM +, Robin Murphy wrote:
> On 09/02/16 16:08, Mark Rutland wrote:
> [...]
>
> having msi-map-mask clash with a nonzero rid-base, as that's another
> thing one can easily get wrong.
>
> [...]
>
> + if (rid_base & ~map_mask) {
> +
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Tuesday, February 09, 2016 5:05 AM
> To: robh...@kernel.org; frowand.l...@gmail.com; grant.lik...@linaro.org;
> devicet...@vger.kernel.org
> Cc: marc.zyng...@arm.com; mark.rutl...@arm.com;
On 02/09/2016 03:04 AM, Robin Murphy wrote:
The existing msi-map code is fine for shifting the entire RID space
upwards, but attempting finer-grained remapping reveals a bug. It turns
out that we are mistakenly treating the msi-base part as an offset, not
as a new base to remap onto, so things
.kernel.org; david.da...@cavium.com; linux-arm-
> ker...@lists.infradead.org; linux-kernel@vger.kernel.org;
> sta...@vger.kernel.org
> Subject: Re: [PATCH] of/irq: Fix msi-map calculation for nonzero rid-base
>
> On Tue, Feb 09, 2016 at 03:56:55PM +, Stuart Yoder wrote:
> >
&
avid.da...@cavium.com; Stuart Yoder
> ;
> linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org;
> sta...@vger.kernel.org
> Subject: Re: [PATCH] of/irq: Fix msi-map calculation for nonzero rid-base
>
> Hi Robin,
>
> On 09/02/16 11:04, Robin Murphy wrote:
>
On 09/02/16 16:08, Mark Rutland wrote:
[...]
having msi-map-mask clash with a nonzero rid-base, as that's another
thing one can easily get wrong.
[...]
+ if (rid_base & ~map_mask) {
+ dev_err(parent_dev,
+ "Invalid msi-map
.com;
> > grant.lik...@linaro.org; devicet...@vger.kernel.org
> > Cc: mark.rutl...@arm.com; david.da...@cavium.com; Stuart Yoder
> > ;
> > linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org;
> > sta...@vger.kernel.org
> > Subject: Re: [PATCH] o
Hi Robin,
On 09/02/16 11:04, Robin Murphy wrote:
> The existing msi-map code is fine for shifting the entire RID space
> upwards, but attempting finer-grained remapping reveals a bug. It turns
> out that we are mistakenly treating the msi-base part as an offset, not
> as a new base to remap onto,
Hi Robin,
On 09/02/16 11:04, Robin Murphy wrote:
> The existing msi-map code is fine for shifting the entire RID space
> upwards, but attempting finer-grained remapping reveals a bug. It turns
> out that we are mistakenly treating the msi-base part as an offset, not
> as a new base to remap onto,
.org;
> > frowand.l...@gmail.com;
> > grant.lik...@linaro.org; devicet...@vger.kernel.org
> > Cc: mark.rutl...@arm.com; david.da...@cavium.com; Stuart Yoder
> > <stuart.yo...@nxp.com>;
> > linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org;
> > sta.
On 09/02/16 16:08, Mark Rutland wrote:
[...]
having msi-map-mask clash with a nonzero rid-base, as that's another
thing one can easily get wrong.
[...]
+ if (rid_base & ~map_mask) {
+ dev_err(parent_dev,
+ "Invalid msi-map
On 02/09/2016 03:04 AM, Robin Murphy wrote:
The existing msi-map code is fine for shifting the entire RID space
upwards, but attempting finer-grained remapping reveals a bug. It turns
out that we are mistakenly treating the msi-base part as an offset, not
as a new base to remap onto, so things
.@kernel.org; frowand.l...@gmail.com; grant.lik...@linaro.org;
> devicet...@vger.kernel.org; david.da...@cavium.com; linux-arm-
> ker...@lists.infradead.org; linux-kernel@vger.kernel.org;
> sta...@vger.kernel.org
> Subject: Re: [PATCH] of/irq: Fix msi-map calculation for nonzero rid-ba
t; Cc: mark.rutl...@arm.com; david.da...@cavium.com; Stuart Yoder
> <stuart.yo...@nxp.com>;
> linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org;
> sta...@vger.kernel.org
> Subject: Re: [PATCH] of/irq: Fix msi-map calculation for nonzero rid-base
>
> H
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Tuesday, February 09, 2016 5:05 AM
> To: robh...@kernel.org; frowand.l...@gmail.com; grant.lik...@linaro.org;
> devicet...@vger.kernel.org
> Cc: marc.zyng...@arm.com; mark.rutl...@arm.com;
On Tue, Feb 09, 2016 at 04:17:33PM +, Robin Murphy wrote:
> On 09/02/16 16:08, Mark Rutland wrote:
> [...]
>
> having msi-map-mask clash with a nonzero rid-base, as that's another
> thing one can easily get wrong.
>
> [...]
>
> + if (rid_base & ~map_mask) {
> +
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