Re: [PATCH v2 5/6] AHCI: Check MRSM bit when multiple MSIs enabled

2013-09-05 Thread Alexander Gordeev
On Thu, Sep 05, 2013 at 09:11:49AM -0400, Tejun Heo wrote: > On Thu, Sep 05, 2013 at 02:54:17PM +0200, Alexander Gordeev wrote: > The patch should probably be re-sequenced to the head of the series > and cc sta...@vger.kernel.org. Not checking MRSM is scary. Will resend v3. > Thanks. > > -- >

Re: [PATCH v2 5/6] AHCI: Check MRSM bit when multiple MSIs enabled

2013-09-05 Thread Sergei Shtylyov
Hello. On 09/05/2013 04:54 PM, Alexander Gordeev wrote: Do not trust the hardware and always check if MSI Revert to Single Message mode was enforced. Fall back to the single MSI mode in case it did. Not doing so might screw up the interrupt handling. Signed-off-by: Alexander Gordeev ---

Re: [PATCH v2 5/6] AHCI: Check MRSM bit when multiple MSIs enabled

2013-09-05 Thread Tejun Heo
On Thu, Sep 05, 2013 at 02:54:17PM +0200, Alexander Gordeev wrote: > Do not trust the hardware and always check if MSI > Revert to Single Message mode was enforced. Fall > back to the single MSI mode in case it did. Not > doing so might screw up the interrupt handling. > > Signed-off-by:

[PATCH v2 5/6] AHCI: Check MRSM bit when multiple MSIs enabled

2013-09-05 Thread Alexander Gordeev
Do not trust the hardware and always check if MSI Revert to Single Message mode was enforced. Fall back to the single MSI mode in case it did. Not doing so might screw up the interrupt handling. Signed-off-by: Alexander Gordeev --- drivers/ata/ahci.c | 16 drivers/ata/ahci.h

[PATCH v2 5/6] AHCI: Check MRSM bit when multiple MSIs enabled

2013-09-05 Thread Alexander Gordeev
Do not trust the hardware and always check if MSI Revert to Single Message mode was enforced. Fall back to the single MSI mode in case it did. Not doing so might screw up the interrupt handling. Signed-off-by: Alexander Gordeev agord...@redhat.com --- drivers/ata/ahci.c | 16

Re: [PATCH v2 5/6] AHCI: Check MRSM bit when multiple MSIs enabled

2013-09-05 Thread Tejun Heo
On Thu, Sep 05, 2013 at 02:54:17PM +0200, Alexander Gordeev wrote: Do not trust the hardware and always check if MSI Revert to Single Message mode was enforced. Fall back to the single MSI mode in case it did. Not doing so might screw up the interrupt handling. Signed-off-by: Alexander

Re: [PATCH v2 5/6] AHCI: Check MRSM bit when multiple MSIs enabled

2013-09-05 Thread Sergei Shtylyov
Hello. On 09/05/2013 04:54 PM, Alexander Gordeev wrote: Do not trust the hardware and always check if MSI Revert to Single Message mode was enforced. Fall back to the single MSI mode in case it did. Not doing so might screw up the interrupt handling. Signed-off-by: Alexander Gordeev

Re: [PATCH v2 5/6] AHCI: Check MRSM bit when multiple MSIs enabled

2013-09-05 Thread Alexander Gordeev
On Thu, Sep 05, 2013 at 09:11:49AM -0400, Tejun Heo wrote: On Thu, Sep 05, 2013 at 02:54:17PM +0200, Alexander Gordeev wrote: The patch should probably be re-sequenced to the head of the series and cc sta...@vger.kernel.org. Not checking MRSM is scary. Will resend v3. Thanks. -- tejun