Displaying 3 results from an estimated 3 matches for "trace_preemptirq".
2020 Aug 11
3
[PATCH] x86/paravirt: Add missing noinstr to arch_local*() helpers
On Tue, Aug 11, 2020 at 11:20:54AM +0200, peterz at infradead.org wrote:
> On Tue, Aug 11, 2020 at 10:38:50AM +0200, J?rgen Gro? wrote:
> > In case you don't want to do it I can send the patch for the Xen
> > variants.
>
> I might've opened a whole new can of worms here. I'm not sure we
> can/want to fix the entire fallout this release :/
>
> Let me
2020 Aug 11
3
[PATCH] x86/paravirt: Add missing noinstr to arch_local*() helpers
On Tue, Aug 11, 2020 at 11:20:54AM +0200, peterz at infradead.org wrote:
> On Tue, Aug 11, 2020 at 10:38:50AM +0200, J?rgen Gro? wrote:
> > In case you don't want to do it I can send the patch for the Xen
> > variants.
>
> I might've opened a whole new can of worms here. I'm not sure we
> can/want to fix the entire fallout this release :/
>
> Let me
2020 Aug 12
0
[PATCH] x86/paravirt: Add missing noinstr to arch_local*() helpers
...arch/x86/entry/thunk_32.S | 5 ----
> > include/linux/irqflags.h | 45 +++++++++++++++++++-------------
> > init/main.c | 16 ++++++++++++
> > kernel/locking/lockdep.c | 58 +++++++++++++++++++++++++++++++++++++++++
> > kernel/trace/trace_preemptirq.c | 33 +++++++++++++++++++++++
> > 5 files changed, 134 insertions(+), 23 deletions(-)
>
> Testing this again with syzkaller produced some new reports:
>
> BUG: stack guard page was hit in error_entry
> BUG: stack guard page was hit in exc_int3
> PANIC: double fault in...