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| author | Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> | 2016-08-25 17:37:38 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-05-14 12:00:20 (GMT) |
| commit | b0e2e3acfe8ebe95e9d6189b94e75d685c7f6d15 (patch) | |
| tree | 473cb7ed821e8b2085bd7f678697e1ba6eecd32d /Kbuild | |
| parent | 2d652d0abd3ccda1097345d13d728b8ba1b7c68f (diff) | |
| download | linux-b0e2e3acfe8ebe95e9d6189b94e75d685c7f6d15.tar.xz | |
MIPS: R2-on-R6 MULTU/MADDU/MSUBU emulation bugfix
commit d65e5677ad5b3a49c43f60ec07644dc1f87bbd2e upstream.
MIPS instructions MULTU, MADDU and MSUBU emulation requires registers HI/LO
to be converted to signed 32bits before 64bit sign extension on MIPS64.
Bug was found on running MIPS32 R2 test application on MIPS64 R6 kernel.
Fixes: b0a668fb2038 ("MIPS: kernel: mips-r2-to-r6-emul: Add R2 emulator for MIPS R6")
Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Reported-by: Nikola.Veljkovic@imgtec.com
Cc: paul.burton@imgtec.com
Cc: yamada.masahiro@socionext.com
Cc: akpm@linux-foundation.org
Cc: andrea.gelmini@gelma.net
Cc: macro@imgtec.com
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14043/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Kbuild')
0 files changed, 0 insertions, 0 deletions