Re: [RFC PATCH] perf/x86/intel: downgrade alloc_bts_buffer() WARN() to pr_err()
From: Sergey Senozhatsky
Date: Thu Aug 27 2026 - 06:20:54 EST
On (26/08/27 15:59), Sergey Senozhatsky wrote:
> On (26/08/27 15:55), Sergey Senozhatsky wrote:
> > diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
> > index 8940f0292229..29c24b2925a7 100644
> > --- a/arch/x86/events/intel/ds.c
> > +++ b/arch/x86/events/intel/ds.c
> > @@ -918,7 +918,7 @@ static int alloc_bts_buffer(int cpu)
> >
> > buffer = dsalloc_pages(BTS_BUFFER_SIZE, GFP_KERNEL | __GFP_NOWARN, cpu);
> > if (unlikely(!buffer)) {
> > - WARN_ONCE(1, "%s: BTS buffer allocation failure\n", __func__);
> > + pr_err_once(1, "%s: BTS buffer allocation failure\n", __func__);
I guess also can just remove it altogether.