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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-14 17:24:51 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-14 17:24:51 -0400
commit7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4 (patch)
tree0248fb8f7a3e445cc3c744252abeecabb9205c05 /arch/mips/kernel/process.c
parentb6825d2df55aa7d7341c715b577b73a6a03dc944 (diff)
parentd5120ae72a066b18f98e0c45ce73262f58030851 (diff)
Merge branch 's3c-move' into devel
Conflicts: arch/arm/mach-versatile/core.c
Diffstat (limited to 'arch/mips/kernel/process.c')
-rw-r--r--arch/mips/kernel/process.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index b16facd9ea8e..22fc19bbe87f 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -55,7 +55,7 @@ void __noreturn cpu_idle(void)
55 while (1) { 55 while (1) {
56 tick_nohz_stop_sched_tick(1); 56 tick_nohz_stop_sched_tick(1);
57 while (!need_resched()) { 57 while (!need_resched()) {
58#ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG 58#ifdef CONFIG_MIPS_MT_SMTC
59 extern void smtc_idle_loop_hook(void); 59 extern void smtc_idle_loop_hook(void);
60 60
61 smtc_idle_loop_hook(); 61 smtc_idle_loop_hook();
@@ -145,17 +145,18 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
145 */ 145 */
146 p->thread.cp0_status = read_c0_status() & ~(ST0_CU2|ST0_CU1); 146 p->thread.cp0_status = read_c0_status() & ~(ST0_CU2|ST0_CU1);
147 childregs->cp0_status &= ~(ST0_CU2|ST0_CU1); 147 childregs->cp0_status &= ~(ST0_CU2|ST0_CU1);
148 clear_tsk_thread_flag(p, TIF_USEDFPU);
149 148
150#ifdef CONFIG_MIPS_MT_FPAFF 149#ifdef CONFIG_MIPS_MT_SMTC
151 /* 150 /*
152 * FPU affinity support is cleaner if we track the 151 * SMTC restores TCStatus after Status, and the CU bits
153 * user-visible CPU affinity from the very beginning. 152 * are aliased there.
154 * The generic cpus_allowed mask will already have
155 * been copied from the parent before copy_thread
156 * is invoked.
157 */ 153 */
158 p->thread.user_cpus_allowed = p->cpus_allowed; 154 childregs->cp0_tcstatus &= ~(ST0_CU2|ST0_CU1);
155#endif
156 clear_tsk_thread_flag(p, TIF_USEDFPU);
157
158#ifdef CONFIG_MIPS_MT_FPAFF
159 clear_tsk_thread_flag(p, TIF_FPUBOUND);
159#endif /* CONFIG_MIPS_MT_FPAFF */ 160#endif /* CONFIG_MIPS_MT_FPAFF */
160 161
161 if (clone_flags & CLONE_SETTLS) 162 if (clone_flags & CLONE_SETTLS)