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powerpc/83xx: Also save/restore SPRG4-7 during suspend
The 83xx has 8 SPRG registers and uses at least SPRG4 for DTLB handling LRU. Fixes: 2319f12 ("powerpc/mm: e300c2/c3/c4 TLB errata workaround") Cc: stable@vger.kernel.org Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Christophe Leroy
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Michael Ellerman
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Feb 21, 2019
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