Re: [PATCH v2] x86/idle: prevent entering C6 with in service interrupts on Intel

2020-05-11 Thread Roger Pau Monné
On Mon, May 11, 2020 at 01:07:43PM +0200, Roger Pau Monné wrote: > On Mon, May 11, 2020 at 11:38:49AM +0100, Andrew Cooper wrote: > > On 11/05/2020 11:17, Roger Pau Monne wrote: > > > Apply a workaround for Intel errata CLX30: "A Pending Fixed Interrupt > > > May Be Dispatched Before an Interrupt o

Re: [PATCH v2] x86/idle: prevent entering C6 with in service interrupts on Intel

2020-05-11 Thread Roger Pau Monné
On Mon, May 11, 2020 at 11:38:49AM +0100, Andrew Cooper wrote: > On 11/05/2020 11:17, Roger Pau Monne wrote: > > Apply a workaround for Intel errata CLX30: "A Pending Fixed Interrupt > > May Be Dispatched Before an Interrupt of The Same Priority Completes". > > > > It's not clear which models are a

Re: [PATCH v2] x86/idle: prevent entering C6 with in service interrupts on Intel

2020-05-11 Thread Andrew Cooper
On 11/05/2020 11:17, Roger Pau Monne wrote: > Apply a workaround for Intel errata CLX30: "A Pending Fixed Interrupt > May Be Dispatched Before an Interrupt of The Same Priority Completes". > > It's not clear which models are affected, as the errata is listed in > the "Second Generation Intel Xeon S

[PATCH v2] x86/idle: prevent entering C6 with in service interrupts on Intel

2020-05-11 Thread Roger Pau Monne
Apply a workaround for Intel errata CLX30: "A Pending Fixed Interrupt May Be Dispatched Before an Interrupt of The Same Priority Completes". It's not clear which models are affected, as the errata is listed in the "Second Generation Intel Xeon Scalable Processors" specification update, but the iss