powerpc/64: Set DSCR default initially from SPR

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Take the DSCR value set by firmware as the dscr_default value,
rather than zero.

POWER9 recommends DSCR default to a non-zero value.

Signed-off-by: From: Nicholas Piggin <npiggin@gmail.com>
[mpe: Make record_spr_defaults() __init]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Nicholas Piggin 2017-10-24 21:44:44 +10:00 • committed by Michael Ellerman

parent 339a3293f4

commit 1696d0fb7f

3 changed files with 26 additions and 0 deletions

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6

arch/powerpc/kernel/setup.h

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9

arch/powerpc/kernel/setup_64.c

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11

arch/powerpc/kernel/sysfs.c

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