On Thu, Jan 23, 2020 at 03:32:14PM -0700, Shuah Khan wrote: > init_iommu_perf_ctr() clobbers the register when it checks write access > to IOMMU perf counters and fails to restore when they are writable. > > Add save and restore to fix it. > > Signed-off-by: Shuah Khan <[email protected]> > --- > Changes since v1: > -- Fix bug in sucessful return path. Add a return instead of > fall through to pc_false error case > > drivers/iommu/amd_iommu_init.c | 24 ++++++++++++++++++------ > 1 file changed, 18 insertions(+), 6 deletions(-)
Applied for v5.5, thanks. _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
