linux/arch/mips/loongson
Huacai Chen bfcdf13063 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>
2014-08-19 18:04:24 +02:00
..
common MIPS: Add Loongson-3B support 2014-07-30 21:47:00 +02:00
fuloong-2e MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
lemote-2f MIPS: Loongson: Modify ChipConfig register definition 2014-07-30 21:46:00 +02:00
loongson-3 MIPS: Loongson: Fix COP2 usage for preemptible kernel 2014-08-19 18:04:24 +02:00
Kconfig MIPS: Loongson: Rename CONFIG_LEMOTE_MACH3A to CONFIG_LOONGSON_MACH3X 2014-07-30 21:47:33 +02:00
Makefile MIPS: Loongson 3: Add IRQ init and dispatch support 2014-03-31 18:17:12 +02:00
Platform MIPS: Loongson: Rename CONFIG_LEMOTE_MACH3A to CONFIG_LOONGSON_MACH3X 2014-07-30 21:47:33 +02:00