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| author | Mathias Krause <minipli@googlemail.com> | 2011-07-26 16:08:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 16:49:41 -0700 |
| commit | adc400f69053b16756ff3b00daa64884c8df0787 (patch) | |
| tree | e1217453e0aba0aed1adfec0bfba9baf611dd334 /arch | |
| parent | 6fd4ce886440c7a1b08b6642e606ee19097829df (diff) | |
| download | linux-3.10-adc400f69053b16756ff3b00daa64884c8df0787.tar.gz linux-3.10-adc400f69053b16756ff3b00daa64884c8df0787.tar.bz2 linux-3.10-adc400f69053b16756ff3b00daa64884c8df0787.zip | |
frv, exec: remove redundant set_fs(USER_DS)
The address limit is already set in flush_old_exec() so those calls to
set_fs(USER_DS) are redundant.
Also removed the dead code in flush_thread().
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/frv/include/asm/processor.h | 1 | ||||
| -rw-r--r-- | arch/frv/kernel/process.c | 5 |
2 files changed, 1 insertions, 5 deletions
diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h index 4b789ab182b..81c2e271d62 100644 --- a/arch/frv/include/asm/processor.h +++ b/arch/frv/include/asm/processor.h @@ -97,7 +97,6 @@ extern struct task_struct *__kernel_current_task; */ #define start_thread(_regs, _pc, _usp) \ do { \ - set_fs(USER_DS); /* reads from user space */ \ __frame = __kernel_frame0_ptr; \ __frame->pc = (_pc); \ __frame->psr &= ~PSR_S; \ diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c index 9d359752646..3901df1213c 100644 --- a/arch/frv/kernel/process.c +++ b/arch/frv/kernel/process.c @@ -143,10 +143,7 @@ void machine_power_off(void) void flush_thread(void) { -#if 0 //ndef NO_FPU - unsigned long zero = 0; -#endif - set_fs(USER_DS); + /* nothing */ } inline unsigned long user_stack(const struct pt_regs *regs) |