On Thu, Feb 28, 2013 at 9:23 PM, tip-bot for gmail <tipbot@xxxxxxxxx> wrote: > Commit-ID: b317219b322e36e25150d7b64f4532401779959d > Gitweb: http://git.kernel.org/tip/b317219b322e36e25150d7b64f4532401779959d > Author: gmail <lans.zhang2008@xxxxxxxxx> name is messed up. should be Lans Zhang <lans.zhang2008@xxxxxxxxx> > AuthorDate: Fri, 1 Mar 2013 09:20:39 +0800 > Committer: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> > CommitDate: Thu, 28 Feb 2013 20:19:50 -0800 > > x86_64: Use __BOOT_DS instead_of __KERNEL_DS for safety > > In startup_32, the running code still uses the initial GDT > located in setup. Thus, __BOOT_DS is preferred. Currently > __KERNEL_DS is lucky to equal to __BOOT_DS, but this is > not always a safe way. > > Signed-off-by: Lans Zhang <lans.zhang2008@xxxxxxxxx> > Link: http://lkml.kernel.org/r/51300267.6000008@xxxxxxxxx > Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> > --- > arch/x86/boot/compressed/head_64.S | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S > index c1d383d..16f24e6 100644 > --- a/arch/x86/boot/compressed/head_64.S > +++ b/arch/x86/boot/compressed/head_64.S > @@ -52,7 +52,7 @@ ENTRY(startup_32) > jnz 1f > > cli > - movl $(__KERNEL_DS), %eax > + movl $(__BOOT_DS), %eax > movl %eax, %ds > movl %eax, %es > movl %eax, %ss > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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