Re: [PATCH v11 05/10] arm/hvf: Add a WFI handler

2021-09-16 Thread Alexander Graf
On 16.09.21 06:49, Philippe Mathieu-Daudé wrote: > On 9/15/21 8:10 PM, Alexander Graf wrote: >> From: Peter Collingbourne >> >> Sleep on WFI until the VTIMER is due but allow ourselves to be woken >> up on IPI. >> >> In this implementation IPI is blocked on the CPU thread at startup and >> psele

Re: [PATCH v11 05/10] arm/hvf: Add a WFI handler

2021-09-16 Thread Peter Maydell
On Wed, 15 Sept 2021 at 19:10, Alexander Graf wrote: > > From: Peter Collingbourne > > Sleep on WFI until the VTIMER is due but allow ourselves to be woken > up on IPI. > > In this implementation IPI is blocked on the CPU thread at startup and > pselect() is used to atomically unblock the signal

Re: [PATCH v11 05/10] arm/hvf: Add a WFI handler

2021-09-15 Thread Philippe Mathieu-Daudé
On 9/15/21 8:10 PM, Alexander Graf wrote: > From: Peter Collingbourne > > Sleep on WFI until the VTIMER is due but allow ourselves to be woken > up on IPI. > > In this implementation IPI is blocked on the CPU thread at startup and > pselect() is used to atomically unblock the signal and begin sl