Le Sat, Apr 29, 2023 at 04:33:48PM +1000, Nicholas Piggin a écrit :
> This option was created in commit 554b0004d0ec4 ("vtime: Add
> HAVE_VIRT_CPU_ACCOUNTING_GEN Kconfig") for architectures to indicate
> they support the 64-bit cputime_t required for VIRT_CPU_ACCOUNTING_GEN.
>
> The cputime_t type
-by: Tony Lindgren
Reviewed-by: Frederic Weisbecker
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NIDLE() from arm64/risc-v perf code
> - ubsan/kasan fixes
> - intel_idle module-param for testing
> - a bunch of extra __always_inline, because compilers are silly.
Except for those I have already tagged as Reviewed:
Acked-by: Frederic Weisbecker
Thanks for the hard work!
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On Mon, Sep 19, 2022 at 05:19:05PM +0200, Peter Zijlstra wrote:
> On Mon, Sep 19, 2022 at 04:31:42PM +0200, Frederic Weisbecker wrote:
> > On Mon, Sep 19, 2022 at 11:59:48AM +0200, Peter Zijlstra wrote:
> > > Doing RCU-idle outside the driver, only to then teporarily enable it
On Tue, Sep 20, 2022 at 10:57:00AM +0200, Peter Zijlstra wrote:
> On Mon, Sep 19, 2022 at 03:19:27PM +0200, Frederic Weisbecker wrote:
> > On Mon, Sep 19, 2022 at 11:59:42AM +0200, Peter Zijlstra wrote:
> > > cpuidle_state::enter() methods should be IRQ invariant
> >
>
On Tue, Sep 20, 2022 at 10:58:59AM +0200, Peter Zijlstra wrote:
> On Mon, Sep 19, 2022 at 04:21:23PM +0200, Frederic Weisbecker wrote:
> > On Mon, Sep 19, 2022 at 11:59:47AM +0200, Peter Zijlstra wrote:
> > > Doing RCU-idle outside the driver, only to then temporarily enable
On Mon, Sep 19, 2022 at 11:59:44AM +0200, Peter Zijlstra wrote:
> Doing RCU-idle outside the driver, only to then temporarily enable it
> again, at least twice, before going idle is daft.
>
> Signed-off-by: Peter Zijlstra (Intel)
Reviewed-by: Frederi
On Mon, Sep 19, 2022 at 05:03:04PM +0200, Peter Zijlstra wrote:
> On Mon, Sep 19, 2022 at 04:49:41PM +0200, Frederic Weisbecker wrote:
> > On Mon, Sep 19, 2022 at 11:59:47AM +0200, Peter Zijlstra wrote:
> > > Doing RCU-idle outside the driver, only to then temporarily enable
On Mon, Sep 19, 2022 at 11:59:47AM +0200, Peter Zijlstra wrote:
> Doing RCU-idle outside the driver, only to then temporarily enable it
> again, at least twice, before going idle is daft.
>
> Signed-off-by: Peter Zijlstra (Intel)
> ---
> arch/arm/mach-imx/cpuidle-imx6sx.c |5 -
> 1 file
On Mon, Sep 19, 2022 at 11:59:47AM +0200, Peter Zijlstra wrote:
> Doing RCU-idle outside the driver, only to then temporarily enable it
> again, at least twice, before going idle is daft.
Hmm, what ends up calling RCU_IDLE() here? Also what about
cpu_do_idle()?
Thanks.
>
> Signed-off-by: Peter
u-v7.c
> @@ -36,7 +36,10 @@ static int mvebu_v7_enter_idle(struct cp
> if (drv->states[index].flags & MVEBU_V7_FLAG_DEEP_IDLE)
> deepidle = true;
>
> + ct_idle_enter();
> ret = mvebu_v7_cpu_suspend(deepidle);
> + ct_idle_
On Mon, Sep 19, 2022 at 11:59:45AM +0200, Peter Zijlstra wrote:
> Doing RCU-idle outside the driver, only to then temporarily enable it
> again, at least twice, before going idle is daft.
>
> Signed-off-by: Peter Zijlstra (Intel)
Reviewed-by: Frederi
w with the cpu_pm_*() informations that makes sense:
Reviewed-by: Frederic Weisbecker
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On Mon, Sep 19, 2022 at 11:59:46AM +0200, Peter Zijlstra wrote:
> Doing RCU-idle outside the driver, only to then temporarily enable it
> again, at least twice, before going idle is daft.
>
> Signed-off-by: Peter Zijlstra (Intel)
Reviewed-by: Frederi
On Mon, Sep 19, 2022 at 11:59:48AM +0200, Peter Zijlstra wrote:
> Doing RCU-idle outside the driver, only to then teporarily enable it
> again before going idle is daft.
That doesn't tell where those calls are.
Thanks.
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On Mon, Sep 19, 2022 at 11:59:42AM +0200, Peter Zijlstra wrote:
> cpuidle_state::enter() methods should be IRQ invariant
Got a bit confused with the invariant thing since the first chunck I
see in this patch is a conversion to an non-traceable local_irq_enable().
Maybe just add a short mention ab
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