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| author | Nicholas Piggin <npiggin@gmail.com> | 2021-05-26 22:58:51 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-06-04 22:02:25 +1000 |
| commit | 6ba53317d497dec029bfb040b1daf38328fa00ab (patch) | |
| tree | 38fe12938ae4d581edd7866d4ef94167588fd597 /arch/powerpc/kernel | |
| parent | Linux 5.13-rc2 (diff) | |
| download | linux-6ba53317d497dec029bfb040b1daf38328fa00ab.tar.gz linux-6ba53317d497dec029bfb040b1daf38328fa00ab.zip | |
KVM: PPC: Book3S HV: Save host FSCR in the P7/8 path
Similar to commit 25edcc50d76c ("KVM: PPC: Book3S HV: Save and restore
FSCR in the P9 path"), ensure the P7/8 path saves and restores the host
FSCR. The logic explained in that patch actually applies there to the
old path well: a context switch can be made before kvmppc_vcpu_run_hv
restores the host FSCR and returns.
Now both the p9 and the p7/8 paths now save and restore their FSCR, it
no longer needs to be restored at the end of kvmppc_vcpu_run_hv
Fixes: b005255e12a3 ("KVM: PPC: Book3S HV: Context-switch new POWER8 SPRs")
Cc: stable@vger.kernel.org # v3.14+
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210526125851.3436735-1-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/kernel')
0 files changed, 0 insertions, 0 deletions