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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-27 01:44:24 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-15 03:26:53 +0400 |
| commit | 5230429ab1c20c348e17069230c24db8a6b53ca3 (patch) | |
| tree | 452f1f33451d0e85136cef1c65ba3da654847acd /arch/sparc/include | |
| parent | 1918c7f548dc5abfb37ab74bb3d036d36c92ba5e (diff) | |
| download | linux-5230429ab1c20c348e17069230c24db8a6b53ca3.tar.xz | |
sparc64: take fprs_write() and friends to start_thread()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sparc/include')
| -rw-r--r-- | arch/sparc/include/asm/processor_64.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h index 5d81ff6b6933..0305d56d9b1a 100644 --- a/arch/sparc/include/asm/processor_64.h +++ b/arch/sparc/include/asm/processor_64.h @@ -94,6 +94,7 @@ struct thread_struct { #ifndef __ASSEMBLY__ #include <linux/types.h> +#include <asm/fpumacro.h> /* Return saved PC of a blocked thread. */ struct task_struct; @@ -143,6 +144,10 @@ do { \ : \ : "r" (regs), "r" (sp - sizeof(struct reg_window) - STACK_BIAS), \ "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \ + fprs_write(0); \ + current_thread_info()->xfsr[0] = 0; \ + current_thread_info()->fpsaved[0] = 0; \ + regs->tstate &= ~TSTATE_PEF; \ } while (0) #define start_thread32(regs, pc, sp) \ @@ -183,6 +188,10 @@ do { \ : \ : "r" (regs), "r" (sp - sizeof(struct reg_window32)), \ "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \ + fprs_write(0); \ + current_thread_info()->xfsr[0] = 0; \ + current_thread_info()->fpsaved[0] = 0; \ + regs->tstate &= ~TSTATE_PEF; \ } while (0) /* Free all resources held by a thread. */ |