Re: [PATCH] cxl: Prevent IRQ storm

2017-04-26 Thread Andrew Donnellan
On 27/04/17 11:09, Alastair D'Silva wrote: Patch looks good, thanks! It doesn't apply cleanly on the 'next' tree due to the capi2 patchset though, so you should probably rebase on that tree. The bits have changed a bit on PSL9, but the approach still works (error type reported in the first byte,

Re: [PATCH] cxl: Prevent IRQ storm

2017-04-26 Thread Alastair D'Silva
On Wed, 2017-04-26 at 11:23 +0200, Frederic Barrat wrote: > > Le 26/04/2017 à 08:40, Alastair D'Silva a écrit : > > From: Alastair D'Silva > > > > In some situations, a faulty AFU slice may create an interrupt > > storm, > > rendering the machine unusable. Since these interrupts are > > informat

Re: [PATCH] cxl: Prevent IRQ storm

2017-04-26 Thread Frederic Barrat
Le 26/04/2017 à 08:40, Alastair D'Silva a écrit : From: Alastair D'Silva In some situations, a faulty AFU slice may create an interrupt storm, rendering the machine unusable. Since these interrupts are informational only, present the interrupt once, then mask it off to prevent it from being r

Re: [PATCH] cxl: Prevent IRQ storm

2017-04-25 Thread Andrew Donnellan
On 26/04/17 16:40, Alastair D'Silva wrote: From: Alastair D'Silva In some situations, a faulty AFU slice may create an interrupt storm, rendering the machine unusable. Since these interrupts are informational only, present the interrupt once, then mask it off to prevent it from being retriggere

[PATCH] cxl: Prevent IRQ storm

2017-04-25 Thread Alastair D'Silva
From: Alastair D'Silva In some situations, a faulty AFU slice may create an interrupt storm, rendering the machine unusable. Since these interrupts are informational only, present the interrupt once, then mask it off to prevent it from being retriggered until the card is reset. Signed-off-by: Al