Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [V2,1/1] powerpc/perf/hv-gpci: Increase request buffer size | Date | Wed, 17 Feb 2016 23:41:25 +1100 (AEDT) |
| |
On Wed, 2016-10-02 at 03:24:05 UTC, Sukadev Bhattiprolu wrote: > >From f1afe08fbc9797ff63adf03efe564a807a37cfe6 Mon Sep 17 00:00:00 2001 > From: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> > Date: Tue, 9 Feb 2016 02:47:45 -0500 > Subject: [PATCH V2 1/1] powerpc/perf/hv-gpci: Increase request buffer size > > The GPCI hcall allows for a 4K buffer but we limit the buffer to 1K. > The problem with a 1K buffer is if a request results in returning > more values than can be accomodated in the 1K buffer the request will > fail. > > The buffer we are using is currently allocated on the stack and hence > limited in size. Instead use a per-CPU 4K buffer like we do with 24x7 > counters (hv-24x7.c). > > While here, rename the macro GPCI_MAX_DATA_BYTES to HGPCI_MAX_DATA_BYTES > for consistency with 24x7 counters. > > Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/e4f226b1580b36550727c324b4
cheers
| |