[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] x86: fix early option scanning
Make sure command lines like ... vgaxyz vga= ... console=vga vga= mistakenly ignore the vga= option due to finding 'vga' earlier on the line. Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx> Index: 2007-06-18/xen/arch/x86/boot/cmdline.S =================================================================== --- 2007-06-18.orig/xen/arch/x86/boot/cmdline.S 2007-06-15 14:05:46.000000000 +0200 +++ 2007-06-18/xen/arch/x86/boot/cmdline.S 2007-06-18 14:40:13.000000000 +0200 @@ -119,9 +119,11 @@ ret .Lfind_option: + mov 4(%esp),%eax push %ebx - push 4+8(%esp) - push 4+8(%esp) +0: + pushl 4+8(%esp) + push %eax call .Lstrstr add $8,%esp test %eax,%eax @@ -129,20 +131,20 @@ cmp %eax,4+4(%esp) je 1f cmpb $' ',-1(%eax) - jne 2f + je 1f +2: inc %eax + jmp 0b 1: mov %eax,%ebx - push 4+8(%esp) + pushl 4+8(%esp) call .Lstrlen add $4,%esp - xchg %eax,%ebx - add %eax,%ebx + xadd %eax,%ebx cmpb $'\0',(%ebx) je 3f cmpb $' ',(%ebx) je 3f cmpb $'=',(%ebx) - je 3f -2: xor %eax,%eax + jne 2b 3: pop %ebx ret _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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