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Wysocki" , Ulf Hansson Subject: [PATCH v3 32/51] cpuidle,acpi: Make noinstr clean References: <20230112194314.845371875@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Stat-Signature: s3ha16qomtifrangjjnt85iwtxis6tkw X-Rspam-User: X-Rspamd-Queue-Id: C07F440017 X-Rspamd-Server: rspam06 X-HE-Tag: 1673554506-711568 X-HE-Meta: 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 68uBWFDD 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 l6+YDLNH FoQH3/T3Ymcs/14VEZ4M0GY9lbBKUjm15GbFM9Z/ep8aFuF1xha2eCWm/TZJAvGyh5dGzelKDFmvYJ+eydCWhq8J1qoSitUEAejtH1ldH/WtV0xDtiwvxksytwoccusqsmhvplp1OITOne7WCl1tHu9VCsvUA+mR7M6lkQKwjQzN6nC74RTB2bCcKBodGu9Oa8WbyzIuLAMlLXq034SwnnGulE8nHFSSrV5hDR5z/TMLvMvIFj0H3OhIUTbgIb9DtIuH4WZsOpI5qGLJ5tk/az7KgMYkKFk49h9EiE0tQNv+xpQTMvDHgmxS2eeszVfPk/lkg64QqVKHLV9MHmCxoGVFZ5AfJV1YLbttU5q5Xr4T2kM2l6PRy/K7fSXF1zGgYXQW+VSXTyH1jQrPDD6jcr4IIagXJyX5lKsBzOGizLeMAYyN+iSL1lHLanMKesGCx8y0Qj7mL96II5+Sgvs56mn4wqsBCxtJVMOSgxIRDOZootFzANppIsoO9Hd4Cy1Wt3n6lbYDOEZgMoZ3ZcgRhE4e1Kcswq3sfNpxlGjEa9smNoUUa+gw8ORjrb7BjzrmZjd8EKXTrxqLcdkk+FJV2cEa9y0Vyg5HAxGfe6yXjRtELsxUot8UXbHcqnGvrDaM+ltp5J0oKYSAw9+7fUis8eo9198Vr4tBWXzvRCJiigtnd/Aofclb+55KU+QkDwzvRYhbVH1SQu7UABxMEpuExRLZO3pgbqqliE12VE7uwLR0mmmzv6X5Svthv6+NR9uGmeIW0cnLtNc42hGOvvGZLMn9G4xilKxqs/8RwXIW7+7YQkZkzEJ1Gjs27VaAqmgmszorWfEbKiKWak8pan2EgXH8Dgo+M4Tic9ReXJNY/FCI0rIIKij2qHQAd3/Vgy3w+/aXLGGQ3VBZtlvO9OWT8FDLof2A5YGGfid6I3Y6FLcgv2P+/SjJlnqupoNdqsRWsJv93nevS+Damtdu1viYBb47Z0Nzq xgoRa3yn 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 FngWPImO KahTwPKFsAIK2zY1UjV51f/rusdKZpGppvolNgJtV0+JGDQWPqvCgLy7+xF/KR2i8SXmTEC/kxiBqy0v4i6Bk2nTaJSMP2Am1/o97b7NNOBw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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) Acked-by: Rafael J. Wysocki Acked-by: Frederic Weisbecker Tested-by: Tony Lindgren Tested-by: Ulf Hansson --- 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 #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)