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(parent: 5eae82c) | patch
powerpc/pseries: lift RTAS limit for hash
authorNicholas Piggin <npiggin@gmail.com>
Fri, 22 Dec 2017 11:17:12 +0000 (21:17 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 17 Jan 2018 13:45:34 +0000 (00:45 +1100)
commitc610d65c0ad00f1b7bfe2f1eb8f867ca74741685
treee0f059e27603c0948f2c1103a242f3c855076005tree | snapshot
parent5eae82cab5d7e13292d53205c0cc145c110c92becommit | diff
powerpc/pseries: lift RTAS limit for hash

With the previous patch to switch to 64-bit mode after returning from
RTAS and before doing any memory accesses, the RMA limit need not be
clamped to 1GB to avoid RTAS bugs.

Keep the 1GB limit for older firmware (although this is more of a kernel
concern than RTAS), and remove it starting with POWER9.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/mm/hash_utils_64.c diff | blob | history
John Crispins staging tree