Attachment 297246 Details for Bug 436131 – rhel5 clear df flags patch

rhel5 clear df flags patch

sig.patch (text/x-patch), 1.76 KB, created by Jason Baron on 2008-03-07 20:51:39 UTC

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Creator: Jason Baron

Created: 2008-03-07 20:51:39 UTC

Size: 1.76 KB

patch

obsolete

>--- linux-2.6.18.noarch/arch/x86_64/kernel/signal.c.bak	2008-03-07 15:40:10.000000000 -0500
>+++ linux-2.6.18.noarch/arch/x86_64/kernel/signal.c	2008-03-07 15:48:57.000000000 -0500
>@@ -301,6 +301,7 @@ static int setup_rt_frame(int sig, struc
> 	/* This, by contrast, has nothing to do with segment registers -
> 	   see include/asm-x86_64/uaccess.h for details. */
> 	set_fs(USER_DS);
>+	regs->eflags &= ~X86_EFLAGS_DF;
> 
> #ifdef DEBUG_SIG
> 	printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",
>--- linux-2.6.18.noarch/arch/x86_64/ia32/ia32_signal.c.bak	2008-03-07 15:44:15.000000000 -0500
>+++ linux-2.6.18.noarch/arch/x86_64/ia32/ia32_signal.c	2008-03-07 15:45:52.000000000 -0500
>@@ -493,6 +493,7 @@ int ia32_setup_frame(int sig, struct k_s
> 	regs->ss = __USER32_DS; 
> 
> 	set_fs(USER_DS);
>+	regs->eflags &= ~X86_EFLAGS_DF;
> 
> #if DEBUG_SIG
> 	printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",
>@@ -586,6 +587,7 @@ int ia32_setup_rt_frame(int sig, struct 
> 	regs->ss = __USER32_DS; 
> 
> 	set_fs(USER_DS);
>+	regs->eflags &= ~X86_EFLAGS_DF;
> 
> #if DEBUG_SIG
> 	printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",
>--- linux-2.6.18.noarch/arch/i386/kernel/signal.c.bak	2008-03-07 15:46:52.000000000 -0500
>+++ linux-2.6.18.noarch/arch/i386/kernel/signal.c	2008-03-07 15:48:24.000000000 -0500
>@@ -384,6 +384,8 @@ static int setup_frame(int sig, struct k
> 	regs->xes = __USER_DS;
> 	regs->xss = __USER_DS;
> 	regs->xcs = __USER_CS;
>+	
>+	regs->eflags = ~X86_EFLAGS_DF;
> 
> #if DEBUG_SIG
> 	printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",
>@@ -469,6 +471,8 @@ static int setup_rt_frame(int sig, struc
> 	regs->xss = __USER_DS;
> 	regs->xcs = __USER_CS;
> 
>+	regs->eflags = ~X86_EFLAGS_DF;
>+
> #if DEBUG_SIG
> 	printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",
> 		current->comm, current->pid, frame, regs->eip, frame->pretcode);

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Attachments on bug 436131: 297246 | 297257 | 297942