[patch 2/2] arm, exec: remove redundant set_fs(USER_DS)
From: akpm@linux-foundation.org (akpm at linux-foundation.org)
Date: 2011-11-15 22:51:55
From: akpm@linux-foundation.org (akpm at linux-foundation.org)
Date: 2011-11-15 22:51:55
From: Mathias Krause <redacted> Subject: arm, exec: remove redundant set_fs(USER_DS) The address limit is already set in flush_old_exec() so this set_fs(USER_DS) is redundant. Signed-off-by: Mathias Krause <redacted> Cc: Russell King <redacted> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> --- arch/arm/include/asm/processor.h | 1 - 1 file changed, 1 deletion(-) diff -puN arch/arm/include/asm/processor.h~arm-exec-remove-redundant-set_fsuser_ds arch/arm/include/asm/processor.h
--- a/arch/arm/include/asm/processor.h~arm-exec-remove-redundant-set_fsuser_ds
+++ a/arch/arm/include/asm/processor.h@@ -55,7 +55,6 @@ struct thread_struct { #define start_thread(regs,pc,sp) \ ({ \ unsigned long *stack = (unsigned long *)sp; \ - set_fs(USER_DS); \ memset(regs->uregs, 0, sizeof(regs->uregs)); \ if (current->personality & ADDR_LIMIT_32BIT) \ regs->ARM_cpsr = USR_MODE; \
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