mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-21 18:11:39 +00:00
Code Issues Releases Wiki Activity

x86: janitor work in bugs.c

Browse source 
Just moved trailing statements to the next line, removed space before
open/close parenthesis, wrapped long lines.

Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Miklos Vajna 2008-05-17 22:48:13 +02:00 committed by Thomas Gleixner
parent 23eb271b91
commit bfe4bb1526
1 changed files with 19 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
arch/x86/kernel/cpu/bugs.c
View file

@ -59,8 +59,12 @@ static void __init check_fpu(void)
return;
}
/* trap_init() enabled FXSR and company _before_ testing for FP problems here. */
/* Test for the divl bug.. */
/*
* trap_init() enabled FXSR and company _before_ testing for FP
* problems here.
*
* Test for the divl bug..
*/
__asm__("fninit\n\t"
"fldl %1\n\t"
"fdivl %2\n\t"
@ -108,10 +112,15 @@ static void __init check_popad(void)
"movl $12345678,%%eax; movl $0,%%edi; pusha; popa; movl (%%edx,%%edi),%%ecx "
: "=&a" (res)
: "d" (inp)
: "ecx", "edi" );
/* If this fails, it means that any user program may lock the CPU hard. Too bad. */
if (res != 12345678) printk( "Buggy.\n" );
else printk( "OK.\n" );
: "ecx", "edi");
/*
* If this fails, it means that any user program may lock the
* CPU hard. Too bad.
*/
if (res != 12345678)
printk("Buggy.\n");
else
printk("OK.\n");
#endif
}
@ -137,7 +146,8 @@ static void __init check_config(void)
* i486+ only features! (WP works in supervisor mode and the
* new "invlpg" and "bswap" instructions)
*/
#if defined(CONFIG_X86_WP_WORKS_OK) || defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_BSWAP)
#if defined(CONFIG_X86_WP_WORKS_OK) || defined(CONFIG_X86_INVLPG) || \
defined(CONFIG_X86_BSWAP)
if (boot_cpu_data.x86 == 3)
panic("Kernel requires i486+ for 'invlpg' and other features");
#endif
@ -170,6 +180,7 @@ void __init check_bugs(void)
check_fpu();
check_hlt();
check_popad();
init_utsname()->machine[1] = '0' + (boot_cpu_data.x86 > 6 ? 6 : boot_cpu_data.x86);
init_utsname()->machine[1] =
'0' + (boot_cpu_data.x86 > 6 ? 6 : boot_cpu_data.x86);
alternative_instructions();
}