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powerpc/fsl: Add barrier_nospec implementation for NXP PowerPC Book3E
authorDiana Craciun <diana.craciun@nxp.com>
Sun, 21 Apr 2019 14:20:23 +0000 (00:20 +1000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 16 May 2019 17:44:49 +0000 (19:44 +0200)
commit0273c6d73a0323639c974ce7e5f78535b0f2065d
treede252f8ed1ab65201168f0d78fae3a1dcab668betree | snapshot
parentb7f47c8f0f4cfa37d9019f0ec671fec795cc731bcommit | diff
powerpc/fsl: Add barrier_nospec implementation for NXP PowerPC Book3E

commit ebcd1bfc33c7a90df941df68a6e5d4018c022fba upstream.

Implement the barrier_nospec as a isync;sync instruction sequence.
The implementation uses the infrastructure built for BOOK3S 64.

Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
[mpe: Add PPC_INST_ISYNC for backport]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/powerpc/Kconfig diff | blob | history
arch/powerpc/include/asm/barrier.h diff | blob | history
arch/powerpc/include/asm/ppc-opcode.h diff | blob | history
arch/powerpc/lib/feature-fixups.c diff | blob | history
Mirror: https://github.com/0ranko0P/kernel_xiaomi_msm8998/
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