Re: [PATCH] drivers/perf: xgene_pmu: Fix uninitialized resource struct

2020-09-11 Thread Will Deacon
On Tue, Sep 08, 2020 at 02:37:22PM -0400, Mark Salter wrote: > On Mon, 2020-09-07 at 14:50 +0100, Will Deacon wrote: > > On Wed, Sep 02, 2020 at 02:27:29PM -0400, Mark Salter wrote: > > > diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c > > > index edac28cd25dd..fdbbd0804b92 100644

Re: [PATCH] drivers/perf: xgene_pmu: Fix uninitialized resource struct

2020-09-08 Thread Mark Salter
On Mon, 2020-09-07 at 14:50 +0100, Will Deacon wrote: > On Wed, Sep 02, 2020 at 02:27:29PM -0400, Mark Salter wrote: > > diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c > > index edac28cd25dd..fdbbd0804b92 100644 > > --- a/drivers/perf/xgene_pmu.c > > +++

Re: [PATCH] drivers/perf: xgene_pmu: Fix uninitialized resource struct

2020-09-07 Thread Will Deacon
On Wed, Sep 02, 2020 at 02:27:29PM -0400, Mark Salter wrote: > diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c > index edac28cd25dd..fdbbd0804b92 100644 > --- a/drivers/perf/xgene_pmu.c > +++ b/drivers/perf/xgene_pmu.c > @@ -1483,6 +1483,7 @@ xgene_pmu_dev_ctx

[PATCH] drivers/perf: xgene_pmu: Fix uninitialized resource struct

2020-09-02 Thread Mark Salter
This splat was reported on newer Fedora kernels booting on certain X-gene based machines: xgene-pmu APMC0D83:00: X-Gene PMU version 3 Unable to handle kernel read from unreadable memory at virtual \ address 4006 ... Call trace: string+0x50/0x100 vsnprintf+0x160/0x750