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powerpc/fsl: Flush branch predictor when entering KVM
authorDiana Craciun <diana.craciun@nxp.com>
Wed, 12 Dec 2018 14:03:07 +0000 (16:03 +0200)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 20 Dec 2018 11:59:03 +0000 (22:59 +1100)
commit79f4d7df19bcab56c3538365b18c6346f62ce43c
treefba9a1be4ce7035803f8833bda349a2a9518781btree | snapshot
parentf1c9f862da9a37e054b536267c52cb499a5e4f6ecommit | diff
powerpc/fsl: Flush branch predictor when entering KVM

Switching from the guest to host is another place
where the speculative accesses can be exploited.
Flush the branch predictor when entering KVM.

Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/kvm/bookehv_interrupts.S diff | blob | history
Linux Kernel Source Tree.