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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2017-07-07 16:12:16 -0500 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-07-10 21:26:31 +1000 |
| commit | 3a6a04706fd08eb5677fdfc086e26fcd5eb154f4 (patch) | |
| tree | 5c8ff039b1d0c495ad084d66745e95347e4e1b98 /arch/powerpc/kernel/mce_power.c | |
| parent | c6bb0b8d426a8cf865ca9c8a532cc3a2927cfceb (diff) | |
powerpc/mm/radix: Synchronize updates to the process table
When writing to the process table, we need to ensure the store is
visible to a subsequent access by the MMU. We assume we never have
the PID active while doing the update, so a ptesync/isync pair
should hopefully be a big enough hammer for our purpose.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/mce_power.c')
0 files changed, 0 insertions, 0 deletions