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| author | Michael Ellerman <mpe@ellerman.id.au> | 2017-10-15 20:43:41 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-11-22 02:24:46 +0100 |
| commit | f3f1dfd600ff82b18b7ea73d80eb27f476a6aa97 (patch) | |
| tree | 5ece696e86f5b89c26a3517aebb8ff5a8bf7106d /arch/powerpc/configs/44x | |
| parent | powerpc/vas: Export chip_to_vas_id() (diff) | |
| download | linux-f3f1dfd600ff82b18b7ea73d80eb27f476a6aa97.tar.xz linux-f3f1dfd600ff82b18b7ea73d80eb27f476a6aa97.zip | |
powerpc/perf/imc: Use cpu_to_node() not topology_physical_package_id()
init_imc_pmu() uses topology_physical_package_id() to detect the
node id of the processor it is on to get local memory, but that's
wrong, and can lead to crashes. Fix it to use cpu_to_node().
Fixes: 885dcd709ba9 ("powerpc/perf: Add nest IMC PMU support")
Cc: stable@vger.kernel.org # v4.14+
Reported-By: Rob Lippert <rlippert@google.com>
Tested-By: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/configs/44x')
0 files changed, 0 insertions, 0 deletions