Re: [PATCH 12/12] i386 boot: Add an ELF header to bzImage

[H. Peter Anvin]

Eric W. Biederman wrote:
> "H. Peter Anvin" <hpa@xxxxxxxxx> writes:
>
> > Vivek Goyal wrote:
> > > Hi Eric,
> > > I have added cld in the regenerated patch below.
> > No, the cld needs to be earlier.  It turns out this isn't the first use of
> > string instructions.
>
> Can we rely on the int calls not setting df?  Otherwise we need to clear
> df at each use as we do with all of the later uses.

Yes, we can, with a few exceptions.  INT saves the flags and IRET 
restores them.

	-hpa
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