Re: [PATCH] OvmfPkg: End timer interrupt later to avoid stack overflow under load

2020-06-17 Thread Laszlo Ersek
On 06/17/20 05:16, Igor Druzhinin wrote: > On 16/06/2020 19:42, Laszlo Ersek wrote >> If I understand correctly, TimerInterruptHandler() >> [OvmfPkg/8254TimerDxe/Timer.c] currently does the following: >> >> - RaiseTPL (TPL_HIGH_LEVEL) --> mask interrupts from being delivered >> >> - mLegacy8259->En

Re: [PATCH] OvmfPkg: End timer interrupt later to avoid stack overflow under load

2020-06-16 Thread Igor Druzhinin
On 16/06/2020 19:42, Laszlo Ersek wrote > If I understand correctly, TimerInterruptHandler() > [OvmfPkg/8254TimerDxe/Timer.c] currently does the following: > > - RaiseTPL (TPL_HIGH_LEVEL) --> mask interrupts from being delivered > > - mLegacy8259->EndOfInterrupt() --> permit the PIC to generate f