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| author | Huacai Chen <chenhc@lemote.com> | 2014-08-11 17:10:38 +0800 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-08-26 02:18:55 +0200 |
| commit | 7ff1740fa48c277628181a047177e0a53f09f682 (patch) | |
| tree | 9d4681122f3c1546b3beb3ff08e8148cadfb272e /arch/mips/kernel | |
| parent | 4a2083f004210b526137e05677623344ad154556 (diff) | |
| download | op-kernel-dev-7ff1740fa48c277628181a047177e0a53f09f682.zip op-kernel-dev-7ff1740fa48c277628181a047177e0a53f09f682.tar.gz | |
MIPS: Loongson: Fix COP2 usage for preemptible kernel
In preemptible kernel, only TIF_USEDFPU flag is reliable to distinguish
whether _init_fpu()/_restore_fp() is needed. Because the value of the
CP0_Status.CU1 isn't changed during preemption.
V2: Fix coding style.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/7515/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel')
0 files changed, 0 insertions, 0 deletions
