Re: [1/1] : powerpc: block interrupts when updating TIDR

2018-01-28 Thread Michael Ellerman
On Fri, 2017-12-01 at 21:31:40 UTC, Sukadev Bhattiprolu wrote: > From: Sukadev Bhattiprolu > Date: Tue, 28 Nov 2017 13:39:43 -0600 > Subject: [PATCH 1/1]: powerpc: block interrupts when updating TIDR > > clear_thread_tidr() is called in interrupt context as a part of delayed &g

[PATCH 1/1]: powerpc: block interrupts when updating TIDR

2017-12-01 Thread Sukadev Bhattiprolu
From: Sukadev Bhattiprolu Date: Tue, 28 Nov 2017 13:39:43 -0600 Subject: [PATCH 1/1]: powerpc: block interrupts when updating TIDR clear_thread_tidr() is called in interrupt context as a part of delayed put of the task structure (i.e as a part of timer interrupt). To prevent a deadlock, block