Displaying 3 results from an estimated 3 matches for "kcsan_interrupt_watch".
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kcsan_interrupt_watcher
2020 Aug 06
0
[PATCH] x86/paravirt: Add missing noinstr to arch_local*() helpers
...rqtrace_events irqtrace;
+#endif
+};
+
+void kcsan_save_irqtrace(struct kcsan_irq_state *irq_state)
{
#ifdef CONFIG_TRACE_IRQFLAGS
- task->kcsan_save_irqtrace = task->irqtrace;
+ irq_state->irqtrace = task->irqtrace;
+ irq_state->hardirq = lockdep_hardirqs_enabled();
#endif
+ if (!kcsan_interrupt_watcher) {
+ raw_local_irq_save(irq_state->flags);
+ lockdep_hardirqs_off(CALLER_ADDR0);
+ }
}
-void kcsan_restore_irqtrace(struct task_struct *task)
+void kcsan_restore_irqtrace(struct kcsan_irq_state *irq_state)
{
+ if (!kcsan_interrupt_watcher) {
+#ifdef CONFIG_TRACE_IRQFLAGS
+ if (irq_state...
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
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