ieu.desnoy...@efficios.com>, Frederic Weisbecker <frede...@kernel.org>, Len Brown <l...@kernel.org>, linux-xte...@linux-xtensa.org, Sascha Hauer <ker...@pengutronix.de>, Vasily Gorbik <g...@linux.ibm.com>, linux-arm-msm <linux-arm-...@vger.kernel.org>, linux-al...@vger.kernel.org, linux-m68k <linux-m...@lists.linux-m68k.org>, Stafford Horne <sho...@gmail.com>, Linux ARM <linux-arm-ker...@lists.infradead.org>, Chris Zankel <ch...@zankel.net>, Stephen Boyd <sb...@kernel.org>, dingu...@kernel.org, Daniel Bristot de Oliveira <bris...@redhat.com>, Alexander Shishkin <alexander.shish...@linux.intel.com>, Lorenzo Pieralisi <lpieral...@kernel.org>, Rasmus Villemoes <li...@rasmusvillemoes.dk>, Joel Fernandes <j...@joelfernandes.org>, Will Deacon <w...@kernel.org>, Boris Ostrovsky <boris.ostrov...@oracle.com>, Kevin Hilman <khil...@kernel.org>, linux-c...@vger.kernel.org, pv-driv...@vmware.com, linux-snps-...@lists.infradead.org, Mel Gorman <mgor...@suse.de>, Jacob Pan <jacob.jun....@linux.inte l.com>, Arnd Bergmann <a...@arndb.de>, ulli.kr...@googlemail.com, vgu...@kernel.org, linux-clk <linux-...@vger.kernel.org>, Josh Triplett <j...@joshtriplett.org>, Steven Rostedt <rost...@goodmis.org>, r...@vger.kernel.org, Borislav Petkov <b...@alien8.de>, bc...@quicinc.com, Thomas Bogendoerfer <tsbog...@alpha.franken.de>, Parisc List <linux-par...@vger.kernel.org>, Sudeep Holla <sudeep.ho...@arm.com>, Shawn Guo <shawn...@kernel.org>, David Miller <da...@davemloft.net>, Rich Felker <dal...@libc.org>, Tony Lindgren <t...@atomide.com>, amakha...@vmware.com, Bjorn Andersson <bjorn.anders...@linaro.org>, "H. Peter Anvin" <h...@zytor.com>, sparcli...@vger.kernel.org, linux-hexa...@vger.kernel.org, linux-riscv <linux-ri...@lists.infradead.org>, anton.iva...@cambridgegreys.com, jo...@southpole.se, Yury Norov <yury.no...@gmail.com>, Richard Weinberger <rich...@nod.at>, the arch/x86 maintainers <x...@kernel.org>, Russell King - ARM Linux <li...@armlinux.org.uk>, Ingo Molnar <mi...@redhat.com>, Al bert Ou <a...@eecs.berkeley.edu>, "Paul E. McKenney" < paul...@kernel.org>, Heiko Carstens <h...@linux.ibm.com>, stefan.kristians...@saunalahti.fi, openr...@lists.librecores.org, Paul Walmsley <paul.walms...@sifive.com>, linux-tegra <linux-te...@vger.kernel.org>, namhy...@kernel.org, Andy Shevchenko <andriy.shevche...@linux.intel.com>, jpoim...@kernel.org, Juergen Gross <jgr...@suse.com>, Michal Simek <mon...@monstr.eu>, "open list:BROADCOM NVRAM DRIVER" <linux-m...@vger.kernel.org>, Palmer Dabbelt <pal...@dabbelt.com>, Anup Patel <a...@brainfault.org>, i...@jurassic.park.msu.ru, Johannes Berg <johan...@sipsolutions.net>, linuxppc-dev <linuxppc-dev@lists.ozlabs.org> Errors-To: linuxppc-dev-bounces+archive=mail-archive....@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+archive=mail-archive....@lists.ozlabs.org>
On Wed, Jun 8, 2022 at 4:47 PM Peter Zijlstra <pet...@infradead.org> wrote: > > vmlinux.o: warning: objtool: io_idle+0xc: call to __inb.isra.0() leaves > .noinstr.text section > vmlinux.o: warning: objtool: acpi_idle_enter+0xfe: call to num_online_cpus() > leaves .noinstr.text section > vmlinux.o: warning: objtool: acpi_idle_enter+0x115: call to > acpi_idle_fallback_to_c1.isra.0() leaves .noinstr.text section > > Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org> Acked-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com> > --- > arch/x86/include/asm/shared/io.h | 4 ++-- > drivers/acpi/processor_idle.c | 2 +- > include/linux/cpumask.h | 4 ++-- > 3 files changed, 5 insertions(+), 5 deletions(-) > > --- a/arch/x86/include/asm/shared/io.h > +++ b/arch/x86/include/asm/shared/io.h > @@ -5,13 +5,13 @@ > #include <linux/types.h> > > #define BUILDIO(bwl, bw, type) \ > -static inline void __out##bwl(type value, u16 port) \ > +static __always_inline void __out##bwl(type value, u16 port) \ > { \ > asm volatile("out" #bwl " %" #bw "0, %w1" \ > : : "a"(value), "Nd"(port)); \ > } \ > \ > -static inline type __in##bwl(u16 port) \ > +static __always_inline type __in##bwl(u16 port) > \ > { \ > type value; \ > asm volatile("in" #bwl " %w1, %" #bw "0" \ > --- a/drivers/acpi/processor_idle.c > +++ b/drivers/acpi/processor_idle.c > @@ -593,7 +593,7 @@ static int acpi_idle_play_dead(struct cp > return 0; > } > > -static bool acpi_idle_fallback_to_c1(struct acpi_processor *pr) > +static __always_inline bool acpi_idle_fallback_to_c1(struct acpi_processor > *pr) > { > return IS_ENABLED(CONFIG_HOTPLUG_CPU) && !pr->flags.has_cst && > !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED); > --- a/include/linux/cpumask.h > +++ b/include/linux/cpumask.h > @@ -908,9 +908,9 @@ static inline const struct cpumask *get_ > * concurrent CPU hotplug operations unless invoked from a cpuhp_lock held > * region. > */ > -static inline unsigned int num_online_cpus(void) > +static __always_inline unsigned int num_online_cpus(void) > { > - return atomic_read(&__num_online_cpus); > + return arch_atomic_read(&__num_online_cpus); > } > #define num_possible_cpus() cpumask_weight(cpu_possible_mask) > #define num_present_cpus() cpumask_weight(cpu_present_mask) > >