Re: [PATCH AUTOSEL 5.9 28/39] intel_idle: Fix intel_idle() vs tracing

2020-12-13 Thread Sasha Levin
On Thu, Dec 03, 2020 at 06:10:35PM +0100, Peter Zijlstra wrote: On Thu, Dec 03, 2020 at 08:28:22AM -0500, Sasha Levin wrote: From: Peter Zijlstra [ Upstream commit 6e1d2bc675bd57640f5658a4a657ae488db4c204 ] cpuidle->enter() callbacks should not call into tracing because RCU has already been d

Re: [PATCH AUTOSEL 5.9 28/39] intel_idle: Fix intel_idle() vs tracing

2020-12-03 Thread Peter Zijlstra
On Thu, Dec 03, 2020 at 08:28:22AM -0500, Sasha Levin wrote: > From: Peter Zijlstra > > [ Upstream commit 6e1d2bc675bd57640f5658a4a657ae488db4c204 ] > > cpuidle->enter() callbacks should not call into tracing because RCU > has already been disabled. Instead of doing the broadcast thing > itself,