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author	Ram Pai <linuxram@us.ibm.com>
	Fri, 19 Jan 2018 01:50:31 +0000 (17:50 -0800)
committer	Michael Ellerman <mpe@ellerman.id.au>
	Sat, 20 Jan 2018 11:59:00 +0000 (22:59 +1100)
commit	06bb53b33804613627c7ca1eda246459a7be2803
tree	61428a22fe89565f607bf32480a6173255fb8c7b	tree \| snapshot
parent	dcf872956d444bbbd46f601024ea989ced03f8a7	commit \| diff

powerpc: store and restore the pkey state across context switches

Store and restore the AMR, IAMR and UAMOR register state of the task
before scheduling out and after scheduling in, respectively.

Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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arch/powerpc/include/asm/mmu_context.h		diff \| blob \| history
arch/powerpc/include/asm/pkeys.h		diff \| blob \| history
arch/powerpc/include/asm/processor.h		diff \| blob \| history
arch/powerpc/kernel/process.c		diff \| blob \| history
arch/powerpc/mm/pkeys.c		diff \| blob \| history