diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2005-12-05 16:47:25 +0300 |
|---|---|---|
| committer | <ralf@denk.linux-mips.net> | 2006-01-10 16:39:04 +0300 |
| commit | 6c35585273b26a580b2e2ad3d6a7db282308eec5 (patch) | |
| tree | ae81213a06a1f2728050319b47f51308d9d197ca | |
| parent | da2c9ed55b0c7e8107f23530bde293239a0b5091 (diff) | |
| download | linux-6c35585273b26a580b2e2ad3d6a7db282308eec5.tar.xz | |
MIPS: DSP: eleminate used_dsp.
used_dsp was meant to be used like used_math - but since the FPU context
is small and lazy context switching is a stupid idea on multiprocessors
this idea only got halfway implemented and those bits are were now
breaking ptrace.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/kernel/ptrace.c | 8 | ||||
| -rw-r--r-- | arch/mips/kernel/ptrace32.c | 8 | ||||
| -rw-r--r-- | include/asm-mips/processor.h | 1 |
3 files changed, 4 insertions, 13 deletions
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 510da5fda567..8d2549335304 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -280,12 +280,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = -EIO; goto out; } - if (child->thread.dsp.used_dsp) { - dregs = __get_dsp_regs(child); - tmp = (unsigned long) (dregs[addr - DSP_BASE]); - } else { - tmp = -1; /* DSP registers yet used */ - } + dregs = __get_dsp_regs(child); + tmp = (unsigned long) (dregs[addr - DSP_BASE]); break; } case DSP_CONTROL: diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c index 7e55457a491f..1f998bfde165 100644 --- a/arch/mips/kernel/ptrace32.c +++ b/arch/mips/kernel/ptrace32.c @@ -201,12 +201,8 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data) ret = -EIO; goto out_tsk; } - if (child->thread.dsp.used_dsp) { - dspreg_t *dregs = __get_dsp_regs(child); - tmp = (unsigned long) (dregs[addr - DSP_BASE]); - } else { - tmp = -1; /* DSP registers yet used */ - } + dspreg_t *dregs = __get_dsp_regs(child); + tmp = (unsigned long) (dregs[addr - DSP_BASE]); break; case DSP_CONTROL: if (!cpu_has_dsp) { diff --git a/include/asm-mips/processor.h b/include/asm-mips/processor.h index f1980c6c3bcc..de53055a62ae 100644 --- a/include/asm-mips/processor.h +++ b/include/asm-mips/processor.h @@ -103,7 +103,6 @@ typedef __u32 dspreg_t; struct mips_dsp_state { dspreg_t dspr[NUM_DSP_REGS]; unsigned int dspcontrol; - unsigned short used_dsp; }; #define INIT_DSP {{0,},} |