On Thu, Dec 03, 2020 at 06:10:15PM +0100, Peter Zijlstra wrote:
On Thu, Dec 03, 2020 at 03:54:42PM +0100, Heiko Carstens wrote:
On Thu, Dec 03, 2020 at 08:28:21AM -0500, Sasha Levin wrote:
> From: Peter Zijlstra
>
> [ Upstream commit 58c644ba512cfbc2e39b758dd979edd1d6d00e27 ]
>
> We call
On Thu, Dec 03, 2020 at 03:54:42PM +0100, Heiko Carstens wrote:
> On Thu, Dec 03, 2020 at 08:28:21AM -0500, Sasha Levin wrote:
> > From: Peter Zijlstra
> >
> > [ Upstream commit 58c644ba512cfbc2e39b758dd979edd1d6d00e27 ]
> >
> > We call arch_cpu_idle() with RCU disabled, but then use
> >
On Thu, Dec 03, 2020 at 08:28:21AM -0500, Sasha Levin wrote:
> From: Peter Zijlstra
>
> [ Upstream commit 58c644ba512cfbc2e39b758dd979edd1d6d00e27 ]
>
> We call arch_cpu_idle() with RCU disabled, but then use
> local_irq_{en,dis}able(), which invokes tracing, which relies on RCU.
>
> Switch
From: Peter Zijlstra
[ Upstream commit 58c644ba512cfbc2e39b758dd979edd1d6d00e27 ]
We call arch_cpu_idle() with RCU disabled, but then use
local_irq_{en,dis}able(), which invokes tracing, which relies on RCU.
Switch all arch_cpu_idle() implementations to use
raw_local_irq_{en,dis}able() and
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