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H A D | hash_low.S | diff e1347a020b81fe47c80cd277bfaa61295a9482a4 Mon Feb 03 10:47:37 CST 2020 Christophe Leroy <christophe.leroy@c-s.fr> powerpc/32s: Slenderize _tlbia() for powerpc 603/603e
_tlbia() is a function used only on 603/603e core, ie on CPUs which don't have a hash table.
_tlbia() uses the tlbia macro which implements a loop of 1024 tlbie.
On the 603/603e core, flushing the entire TLB requires no more than 32 tlbie.
Replace tlbia by a loop of 32 tlbie.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/12f4f4f0ff89aeab3b937fc96c84fb35e1b2517e.1580748445.git.christophe.leroy@c-s.fr
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