iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

parisc, exec: remove redundant set_fs(USER_DS)

Browse Source 
The address limit is already set in flush_old_exec() so those calls to
set_fs(USER_DS) are redundant.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mathias Krause 2012-01-12 17:17:38 -08:00 committed by Linus Torvalds
parent 01fa310cd9
commit 15ee2d000d
2 changed files with 0 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/parisc/include/asm/processor.h
View File

@ -196,7 +196,6 @@ typedef unsigned int elf_caddr_t;
/* offset pc for priv. level */ \
pc |= 3; \
\
set_fs(USER_DS); \
regs->iasq[0] = spaceid; \
regs->iasq[1] = spaceid; \
regs->iaoq[0] = pc; \
@ -299,7 +298,6 @@ on downward growing arches, it looks like this:
elf_addr_t pc = (elf_addr_t)new_pc | 3; \
elf_caddr_t *argv = (elf_caddr_t *)bprm->exec + 1; \
\
set_fs(USER_DS); \
regs->iasq[0] = spaceid; \
regs->iasq[1] = spaceid; \
regs->iaoq[0] = pc; \

1
arch/parisc/kernel/process.c
View File

@ -192,7 +192,6 @@ void flush_thread(void)
/* Only needs to handle fpu stuff or perf monitors.
** REVISIT: several arches implement a "lazy fpu state".
*/
set_fs(USER_DS);
}
void release_thread(struct task_struct *dead_task)