On Wed, May 27, 2020 at 08:05:22PM +0800, Jiaxun Yang wrote: > On Wed, 27 May 2020 13:53:54 +0200 > Thomas Bogendoerfer <[email protected]> wrote: > > > On Wed, May 27, 2020 at 02:34:33PM +0800, Jiaxun Yang wrote: > > > That's what already done by Arm64 and other architectures. > > > That would allow us put more things like PE headers safely into > > > the header. > > > > > > Signed-off-by: Jiaxun Yang <[email protected]> > > > --- > > > arch/mips/kernel/head.S | 4 ++-- > > > arch/mips/kernel/vmlinux.lds.S | 8 ++++++-- > > > 2 files changed, 8 insertions(+), 4 deletions(-) > > > > > > diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S > > > index c7c2795837e7..8081a905a71c 100644 > > > --- a/arch/mips/kernel/head.S > > > +++ b/arch/mips/kernel/head.S > > > @@ -59,6 +59,8 @@ > > > #endif > > > .endm > > > > > > + __HEAD > > > +_head: > > > #ifndef CONFIG_NO_EXCEPT_FILL > > > /* > > > * Reserved space for exception handlers. > > > > I'm adding the missing piece, why this change ist broken: > > > > * Necessary for machines which link their kernels at KSEG0. > > > > by putting something in front of that will probably break platforms > > making use of "feature". If we can make sure, we don't need it > > anymore, we should first remove this and then add __HEAD part. > > __HEAD is just marking the section of code. > It will not add anything to the binary.
oops, should have looked it up first. You mentioned PE headers and I thought it will be added this way. > Btw: I just noticed this patch may break relocatable kernel. I'll delay > it for next merge window. ok. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
