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author | Michael Kelley <mikelley@microsoft.com> | 2017-05-18 10:46:07 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-05-25 15:42:42 +0200 |
commit | 13b9abfc92be7c4454bff912021b9f835dea6e15 (patch) | |
tree | 134b32b899c3684a7ebcef5c3a6d23784afe28b7 /block/ioprio.c | |
parent | 3110010896f17f381bd74d72b9d4a46a087c46b8 (diff) | |
download | linux-13b9abfc92be7c4454bff912021b9f835dea6e15.tar.gz linux-13b9abfc92be7c4454bff912021b9f835dea6e15.tar.bz2 linux-13b9abfc92be7c4454bff912021b9f835dea6e15.zip |
Drivers: hv: vmbus: Close timing hole that can corrupt per-cpu page
Extend the disabling of preemption to include the hypercall so that
another thread can't get the CPU and corrupt the per-cpu page used
for hypercall arguments.
Cc: <Stable@vger.kernel.org> #4.11
Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'block/ioprio.c')
0 files changed, 0 insertions, 0 deletions