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authorJohn David Anglin <dave.anglin@bell.net>2016-11-24 20:18:14 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-12-02 09:09:01 +0100
commitcd4235a794c0bdc29995ae8b805aac1d235ab499 (patch)
treef179de7e62c8daa8af5ac2124840cb4b6a2088f9 /lib
parent7a1ab6a2bf3a69282f57a8b710e4e9e52f381678 (diff)
parisc: Also flush data TLB in flush_icache_page_asm
commit 5035b230e7b67ac12691ed3b5495bbb617027b68 upstream. This is the second issue I noticed in reviewing the parisc TLB code. The fic instruction may use either the instruction or data TLB in flushing the instruction cache. Thus, on machines with a split TLB, we should also flush the data TLB after setting up the temporary alias registers. Although this has no functional impact, I changed the pdtlb and pitlb instructions to consistently use the index register %r0. These instructions do not support integer displacements. Tested on rp3440 and c8000. Signed-off-by: John David Anglin <dave.anglin@bell.net> Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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