Re: [PATCH v4] x86/idle: prevent entering C6 with in service interrupts on Intel

On 22.05.2020 15:54, Roger Pau Monné wrote: > On Fri, May 22, 2020 at 03:42:10PM +0200, Jan Beulich wrote: >> On 21.05.2020 11:22, Roger Pau Monne wrote: >>> Apply a workaround for Intel errata BDX99, CLX30, SKX100, CFW125, >>> BDF104, BDH85, BDM135, KWB131: "A Pending Fixed Interrupt May Be >>> Di

Re: [PATCH v4] x86/idle: prevent entering C6 with in service interrupts on Intel

On Fri, May 22, 2020 at 03:42:10PM +0200, Jan Beulich wrote: > On 21.05.2020 11:22, Roger Pau Monne wrote: > > Apply a workaround for Intel errata BDX99, CLX30, SKX100, CFW125, > > BDF104, BDH85, BDM135, KWB131: "A Pending Fixed Interrupt May Be > > Dispatched Before an Interrupt of The Same Priori

Re: [PATCH v4] x86/idle: prevent entering C6 with in service interrupts on Intel

On 21.05.2020 11:22, Roger Pau Monne wrote: > Apply a workaround for Intel errata BDX99, CLX30, SKX100, CFW125, > BDF104, BDH85, BDM135, KWB131: "A Pending Fixed Interrupt May Be > Dispatched Before an Interrupt of The Same Priority Completes". While the change looks good to me as far as Broadwell

[PATCH v4] x86/idle: prevent entering C6 with in service interrupts on Intel

Apply a workaround for Intel errata BDX99, CLX30, SKX100, CFW125, BDF104, BDH85, BDM135, KWB131: "A Pending Fixed Interrupt May Be Dispatched Before an Interrupt of The Same Priority Completes". Apply the errata to all server and client models (big cores) from Broadwell to Cascade Lake. The workar