From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Rutland Subject: Re: [PATCH 23/36] arm64,smp: Remove trace_.*_rcuidle() usage Date: Tue, 14 Jun 2022 17:24:48 +0100 Message-ID: References: <20220608142723.103523089@infradead.org> <20220608144517.380962958@infradead.org> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <20220608144517.380962958@infradead.org> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Peter Zijlstra Cc: rth@twiddle.net, ink@jurassic.park.msu.ru, mattst88@gmail.com, vgupta@kernel.org, linux@armlinux.org.uk, ulli.kroll@googlemail.com, linus.walleij@linaro.org, shawnguo@kernel.org, Sascha Hauer , kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, tony@atomide.com, khilman@kernel.org, catalin.marinas@arm.com, will@kernel.org, guoren@kernel.org, bcain@quicinc.com, chenhuacai@kernel.org, kernel@xen0n.name, geert@linux-m68k.org, sammy@sammy.net, monstr@monstr.eu, tsbogend@alpha.franken.de, dinguyen@kernel.org, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, James.Bottomley@HansenPartnership.com, deller@gmx.de, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, paul.walmsley@sifive.com, palmer@dabbelt.com, ao On Wed, Jun 08, 2022 at 04:27:46PM +0200, Peter Zijlstra wrote: > Ever since commit d3afc7f12987 ("arm64: Allow IPIs to be handled as > normal interrupts") this function is called in regular IRQ context. > > Signed-off-by: Peter Zijlstra (Intel) [adding Marc since he authored that commit] Makes sense to me: Acked-by: Mark Rutland Mark. > --- > arch/arm64/kernel/smp.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > --- a/arch/arm64/kernel/smp.c > +++ b/arch/arm64/kernel/smp.c > @@ -865,7 +865,7 @@ static void do_handle_IPI(int ipinr) > unsigned int cpu = smp_processor_id(); > > if ((unsigned)ipinr < NR_IPI) > - trace_ipi_entry_rcuidle(ipi_types[ipinr]); > + trace_ipi_entry(ipi_types[ipinr]); > > switch (ipinr) { > case IPI_RESCHEDULE: > @@ -914,7 +914,7 @@ static void do_handle_IPI(int ipinr) > } > > if ((unsigned)ipinr < NR_IPI) > - trace_ipi_exit_rcuidle(ipi_types[ipinr]); > + trace_ipi_exit(ipi_types[ipinr]); > } > > static irqreturn_t ipi_handler(int irq, void *data) > >