Re: [PATCH v4 1/4] rcu/kasan: record and print call_rcu() call stack

2020-05-19 Thread Walter Wu
On Tue, 2020-05-19 at 08:48 -0700, Paul E. McKenney wrote: > On Tue, May 19, 2020 at 10:23:59AM +0800, Walter Wu wrote: > > This feature will record the last two call_rcu() call stacks and > > prints up to 2 call_rcu() call stacks in KASAN report. > > > > When call_rcu() is called, we store the

Re: [PATCH v4 1/4] rcu/kasan: record and print call_rcu() call stack

2020-05-19 Thread Walter Wu
Hi Andrey, On Tue, 2020-05-19 at 16:52 +0200, 'Andrey Konovalov' via kasan-dev wrote: > On Tue, May 19, 2020 at 4:24 AM Walter Wu wrote: > > > > This feature will record the last two call_rcu() call stacks and > > prints up to 2 call_rcu() call stacks in KASAN report. > > > > When call_rcu() is

Re: [PATCH v4 1/4] rcu/kasan: record and print call_rcu() call stack

2020-05-19 Thread Paul E. McKenney
On Tue, May 19, 2020 at 10:23:59AM +0800, Walter Wu wrote: > This feature will record the last two call_rcu() call stacks and > prints up to 2 call_rcu() call stacks in KASAN report. > > When call_rcu() is called, we store the call_rcu() call stack into > slub alloc meta-data, so that the KASAN

Re: [PATCH v4 1/4] rcu/kasan: record and print call_rcu() call stack

2020-05-19 Thread Andrey Konovalov
On Tue, May 19, 2020 at 4:24 AM Walter Wu wrote: > > This feature will record the last two call_rcu() call stacks and > prints up to 2 call_rcu() call stacks in KASAN report. > > When call_rcu() is called, we store the call_rcu() call stack into > slub alloc meta-data, so that the KASAN report

[PATCH v4 1/4] rcu/kasan: record and print call_rcu() call stack

2020-05-18 Thread Walter Wu
This feature will record the last two call_rcu() call stacks and prints up to 2 call_rcu() call stacks in KASAN report. When call_rcu() is called, we store the call_rcu() call stack into slub alloc meta-data, so that the KASAN report can print rcu stack.