sparc64: take fprs_write() and friends to start_thread() (5230429a) · Commits · e / devices / android_kernel_teracube_emerald

arch/sparc/include/asm/processor_64.h

+9 −0

Original line number	Diff line number	Diff line
		@@ -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. */

+0 −6

Original line number	Diff line number	Diff line
		@@ -692,12 +692,6 @@ asmlinkage int sparc_execve(struct pt_regs *regs)
		(const char __user const __user )
		regs->u_regs[base + UREG_I2], regs);
		putname(filename);
		if (!error) {
		fprs_write(0);
		current_thread_info()->xfsr[0] = 0;
		current_thread_info()->fpsaved[0] = 0;
		regs->tstate &= ~TSTATE_PEF;
		}
		out:
		return error;
		}

+0 −7

Original line number	Diff line number	Diff line
		@@ -421,13 +421,6 @@ asmlinkage long sparc32_execve(struct pt_regs *regs)
		compat_ptr(regs->u_regs[base + UREG_I2]), regs);

		putname(filename);

		if (!error) {
		fprs_write(0);
		current_thread_info()->xfsr[0] = 0;
		current_thread_info()->fpsaved[0] = 0;
		regs->tstate &= ~TSTATE_PEF;
		}
		out:
		return error;
		}