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authorDave Airlie <airlied@redhat.com>2015-04-20 11:32:26 +1000
committerDave Airlie <airlied@redhat.com>2015-04-20 13:05:20 +1000
commit2c33ce009ca2389dbf0535d0672214d09738e35e (patch)
tree6186a6458c3c160385d794a23eaf07c786a9e61b /arch/s390/kernel/process.c
parentcec32a47010647e8b0603726ebb75b990a4057a4 (diff)
parent09d51602cf84a1264946711dd4ea0dddbac599a1 (diff)
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards, due to API changes in the regulator tree. I've included the patch into the merge to fix the build. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/s390/kernel/process.c')
-rw-r--r--arch/s390/kernel/process.c29
1 files changed, 1 insertions, 28 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 13fc0978ca7e..dc5edc29b73a 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -79,13 +79,11 @@ void release_thread(struct task_struct *dead_task)
{
}
-#ifdef CONFIG_64BIT
void arch_release_task_struct(struct task_struct *tsk)
{
if (tsk->thread.vxrs)
kfree(tsk->thread.vxrs);
}
-#endif
int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
unsigned long arg, struct task_struct *p)
@@ -144,19 +142,6 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
p->thread.ri_signum = 0;
frame->childregs.psw.mask &= ~PSW_MASK_RI;
-#ifndef CONFIG_64BIT
- /*
- * save fprs to current->thread.fp_regs to merge them with
- * the emulated registers and then copy the result to the child.
- */
- save_fp_ctl(&current->thread.fp_regs.fpc);
- save_fp_regs(current->thread.fp_regs.fprs);
- memcpy(&p->thread.fp_regs, &current->thread.fp_regs,
- sizeof(s390_fp_regs));
- /* Set a new TLS ? */
- if (clone_flags & CLONE_SETTLS)
- p->thread.acrs[0] = frame->childregs.gprs[6];
-#else /* CONFIG_64BIT */
/* Save the fpu registers to new thread structure. */
save_fp_ctl(&p->thread.fp_regs.fpc);
save_fp_regs(p->thread.fp_regs.fprs);
@@ -172,15 +157,13 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
p->thread.acrs[1] = (unsigned int)tls;
}
}
-#endif /* CONFIG_64BIT */
return 0;
}
asmlinkage void execve_tail(void)
{
current->thread.fp_regs.fpc = 0;
- if (MACHINE_HAS_IEEE)
- asm volatile("sfpc %0,%0" : : "d" (0));
+ asm volatile("sfpc %0,%0" : : "d" (0));
}
/*
@@ -188,18 +171,8 @@ asmlinkage void execve_tail(void)
*/
int dump_fpu (struct pt_regs * regs, s390_fp_regs *fpregs)
{
-#ifndef CONFIG_64BIT
- /*
- * save fprs to current->thread.fp_regs to merge them with
- * the emulated registers and then copy the result to the dump.
- */
- save_fp_ctl(&current->thread.fp_regs.fpc);
- save_fp_regs(current->thread.fp_regs.fprs);
- memcpy(fpregs, &current->thread.fp_regs, sizeof(s390_fp_regs));
-#else /* CONFIG_64BIT */
save_fp_ctl(&fpregs->fpc);
save_fp_regs(fpregs->fprs);
-#endif /* CONFIG_64BIT */
return 1;
}
EXPORT_SYMBOL(dump_fpu);