From: Eric Dumazet Date: Thu, 4 Dec 2025 15:31:27 +0000 (+0000) Subject: entry: Always inline local_irq_{enable,disable}_exit_to_user() X-Git-Tag: v6.19-rc4~1^2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4a824c3128998158a093eaadd776a79abe3a601a;p=thirdparty%2Fkernel%2Fstable.git entry: Always inline local_irq_{enable,disable}_exit_to_user() clang needs __always_inline instead of inline, even for tiny helpers. This saves some cycles in system call fast path, and saves 195 bytes on x86_64 build: $ size vmlinux.before vmlinux.after text data bss dec hex filename 34652814 22291961 5875180 62819955 3be8e73 vmlinux.before 34652619 22291961 5875180 62819760 3be8db0 vmlinux.after Signed-off-by: Eric Dumazet Signed-off-by: Peter Zijlstra (Intel) Link: https://patch.msgid.link/20251204153127.1321824-1-edumazet@google.com --- diff --git a/include/linux/irq-entry-common.h b/include/linux/irq-entry-common.h index 6ab913e57da0a..d26d1b1bcbfb9 100644 --- a/include/linux/irq-entry-common.h +++ b/include/linux/irq-entry-common.h @@ -110,7 +110,7 @@ static __always_inline void enter_from_user_mode(struct pt_regs *regs) static inline void local_irq_enable_exit_to_user(unsigned long ti_work); #ifndef local_irq_enable_exit_to_user -static inline void local_irq_enable_exit_to_user(unsigned long ti_work) +static __always_inline void local_irq_enable_exit_to_user(unsigned long ti_work) { local_irq_enable(); } @@ -125,7 +125,7 @@ static inline void local_irq_enable_exit_to_user(unsigned long ti_work) static inline void local_irq_disable_exit_to_user(void); #ifndef local_irq_disable_exit_to_user -static inline void local_irq_disable_exit_to_user(void) +static __always_inline void local_irq_disable_exit_to_user(void) { local_irq_disable(); }