search for: irqtrace

Displaying 7 results from an estimated 7 matches for "irqtrace".

[PATCH] x86/paravirt: Add missing noinstr to arch_local*() helpers
2020 Aug 06
0
[PATCH] x86/paravirt: Add missing noinstr to arch_local*() helpers
...ions(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index 06ec60462af0..2f5aef57e687 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1193,9 +1193,6 @@ struct task_struct { #ifdef CONFIG_KCSAN struct kcsan_ctx kcsan_ctx; -#ifdef CONFIG_TRACE_IRQFLAGS - struct irqtrace_events kcsan_save_irqtrace; -#endif #endif #ifdef CONFIG_FUNCTION_GRAPH_TRACER diff --git a/kernel/kcsan/core.c b/kernel/kcsan/core.c index 9147ff6a12e5..9c4436bf0561 100644 --- a/kernel/kcsan/core.c +++ b/kernel/kcsan/core.c @@ -291,17 +291,50 @@ static inline unsigned int get_delay(void)...
[PATCH] x86/paravirt: Add missing noinstr to arch_local*() helpers
2020 Aug 05
9
[PATCH] x86/paravirt: Add missing noinstr to arch_local*() helpers
On Wed, Aug 05, 2020 at 03:59:40PM +0200, Marco Elver wrote: > On Wed, Aug 05, 2020 at 03:42PM +0200, peterz at infradead.org wrote: > > Shouldn't we __always_inline those? They're going to be really small. > > I can send a v2, and you can choose. For reference, though: > > ffffffff86271ee0 <arch_local_save_flags>: > ffffffff86271ee0: 0f 1f 44 00 00
[PATCH] x86/paravirt: Add missing noinstr to arch_local*() helpers
2020 Aug 05
9
[PATCH] x86/paravirt: Add missing noinstr to arch_local*() helpers
On Wed, Aug 05, 2020 at 03:59:40PM +0200, Marco Elver wrote: > On Wed, Aug 05, 2020 at 03:42PM +0200, peterz at infradead.org wrote: > > Shouldn't we __always_inline those? They're going to be really small. > > I can send a v2, and you can choose. For reference, though: > > ffffffff86271ee0 <arch_local_save_flags>: > ffffffff86271ee0: 0f 1f 44 00 00
[RFC/PATCH PV_OPS X86_64 12/17] paravirt_ops - interrupt/exception changes
2007 Apr 18
0
[RFC/PATCH PV_OPS X86_64 12/17] paravirt_ops - interrupt/exception changes
...@@ END(spurious_interrupt) rdmsr testl %edx,%edx js 1f - swapgs + SWAPGS xorl %ebx,%ebx 1: .if \ist @@ -738,7 +755,7 @@ END(spurious_interrupt) .if \ist addq $EXCEPTION_STKSZ, per_cpu__init_tss + TSS_ist + (\ist - 1) * 8(%rbp) .endif - cli + DISABLE_INTERRUPTS(CLBR_NONE) .if \irqtrace TRACE_IRQS_OFF .endif @@ -767,10 +784,10 @@ paranoid_swapgs\trace: .if \trace TRACE_IRQS_IRETQ 0 .endif - swapgs + SWAPGS paranoid_restore\trace: RESTORE_ALL 8 - iretq + INTERRUPT_RETURN paranoid_userspace\trace: GET_THREAD_INFO(%rcx) movl threadinfo_flags(%rcx),%ebx @@ -785,11 +8...
[RFC/PATCH PV_OPS X86_64 12/17] paravirt_ops - interrupt/exception changes
2007 Apr 18
0
[RFC/PATCH PV_OPS X86_64 12/17] paravirt_ops - interrupt/exception changes
...@@ END(spurious_interrupt) rdmsr testl %edx,%edx js 1f - swapgs + SWAPGS xorl %ebx,%ebx 1: .if \ist @@ -738,7 +755,7 @@ END(spurious_interrupt) .if \ist addq $EXCEPTION_STKSZ, per_cpu__init_tss + TSS_ist + (\ist - 1) * 8(%rbp) .endif - cli + DISABLE_INTERRUPTS(CLBR_NONE) .if \irqtrace TRACE_IRQS_OFF .endif @@ -767,10 +784,10 @@ paranoid_swapgs\trace: .if \trace TRACE_IRQS_IRETQ 0 .endif - swapgs + SWAPGS paranoid_restore\trace: RESTORE_ALL 8 - iretq + INTERRUPT_RETURN paranoid_userspace\trace: GET_THREAD_INFO(%rcx) movl threadinfo_flags(%rcx),%ebx @@ -785,11 +8...
[PATCH] paravirt_ops x86_64 , take 2
2007 Apr 18
0
[PATCH] paravirt_ops x86_64 , take 2
...REST - cli + DISABLE_INTERRUPTS(CLBR_NONE) TRACE_IRQS_OFF movl $_TIF_NEED_RESCHED,%edi GET_THREAD_INFO(%rcx) @@ -738,7 +733,7 @@ END(spurious_interrupt) .if \ist addq $EXCEPTION_STKSZ, per_cpu__init_tss + TSS_ist + (\ist - 1) * 8(%rbp) .endif - cli + DISABLE_INTERRUPTS(CLBR_NONE) .if \irqtrace TRACE_IRQS_OFF .endif @@ -770,7 +765,7 @@ paranoid_swapgs\trace: swapgs paranoid_restore\trace: RESTORE_ALL 8 - iretq + INTERRUPT_RETURN paranoid_userspace\trace: GET_THREAD_INFO(%rcx) movl threadinfo_flags(%rcx),%ebx @@ -785,11 +780,11 @@ paranoid_userspace\trace: .if \trace TRAC...
[PATCH] paravirt_ops x86_64 , take 2
2007 Apr 18
0
[PATCH] paravirt_ops x86_64 , take 2
...REST - cli + DISABLE_INTERRUPTS(CLBR_NONE) TRACE_IRQS_OFF movl $_TIF_NEED_RESCHED,%edi GET_THREAD_INFO(%rcx) @@ -738,7 +733,7 @@ END(spurious_interrupt) .if \ist addq $EXCEPTION_STKSZ, per_cpu__init_tss + TSS_ist + (\ist - 1) * 8(%rbp) .endif - cli + DISABLE_INTERRUPTS(CLBR_NONE) .if \irqtrace TRACE_IRQS_OFF .endif @@ -770,7 +765,7 @@ paranoid_swapgs\trace: swapgs paranoid_restore\trace: RESTORE_ALL 8 - iretq + INTERRUPT_RETURN paranoid_userspace\trace: GET_THREAD_INFO(%rcx) movl threadinfo_flags(%rcx),%ebx @@ -785,11 +780,11 @@ paranoid_userspace\trace: .if \trace TRAC...