The following commit has been merged into the x86/entry branch of tip: Commit-ID: 790ce3b40017bbd759a3d81e23c05d42b3d34b90 Gitweb: https://git.kernel.org/tip/790ce3b40017bbd759a3d81e23c05d42b3d34b90 Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Tue, 14 Jul 2020 16:01:52 +02:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Thu, 16 Jul 2020 12:44:26 +02:00 x86/idtentry: Remove stale comment Stack switching for interrupt handlers happens in C now for both 64 and 32bit. Remove the stale comment which claims the contrary. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- arch/x86/include/asm/idtentry.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h index 2293b44..50ea186 100644 --- a/arch/x86/include/asm/idtentry.h +++ b/arch/x86/include/asm/idtentry.h @@ -191,11 +191,9 @@ __visible noinstr void func(struct pt_regs *regs, unsigned long error_code) * to the function as error_code argument which needs to be truncated * to an u8 because the push is sign extending. * - * On 64-bit idtentry_enter/exit() are invoked in the ASM entry code before - * and after switching to the interrupt stack. On 32-bit this happens in C. - * * irq_enter/exit_rcu() are invoked before the function body and the - * KVM L1D flush request is set. + * KVM L1D flush request is set. Stack switching to the interrupt stack + * has to be done in the function body if necessary. */ #define DEFINE_IDTENTRY_IRQ(func) \ static __always_inline void __##func(struct pt_regs *regs, u8 vector); \
|