[PATCH] arm64: mark kernel text segment as MEMBLOCK_NOMAP

Catalin Marinas catalin.marinas at arm.com
Tue Feb 16 02:57:59 PST 2016


On Tue, Feb 16, 2016 at 09:49:48AM +0100, Ard Biesheuvel wrote:
> On 15 February 2016 at 13:08, Catalin Marinas <catalin.marinas at arm.com> wrote:
> > On Mon, Feb 15, 2016 at 12:53:59PM +0100, Ard Biesheuvel wrote:
> >> On 15 February 2016 at 12:45, Catalin Marinas <catalin.marinas at arm.com> wrote:
> >> > Ard, I'm about to drop the kernel memory map patches from -next. There
> >> > are several issues like KASAN (which may as well be a KASAN bug but I
> >> > haven't got to the bottom of it yet), initrd (you have patches but
> >> > require additional acks).
> >> >
> >> > I'll keep your stuff on the for-next/kernmap branch and do further
> >> > debugging. If it stabilises in the next 1-2 weeks, I'll merge it into
> >> > for-next/core for 4.6, otherwise, it will have to wait. I would really
> >> > like these patches merged but it looks like they need wider testing.
> > [...]
> >> If you are going to drop it for now anyway, I can do a v6sub1 with
> >> this issue and the initrd issue addressed, but also an issue with the
> >> KVM ksym ref patch with GCC 4.8. Since these issues affect
> >> bisectability, I'd prefer to rebase entirely, and fold all the fixes
> >> rather than apply them on top.
> >
> > That's fine. I'll push one more patch to the for-next/pgtable branch,
> > converting __set_fixmap_offset() back to a macro as it broke other
> > architectures. Otherwise it is not rebased and I'll merge it into
> > for-next core.
> 
> If you are doing for-next/core from scratch, perhaps it is better to
> squash the fixmap patches as well?

I could, assuming you were the only one using the for-next/pgtable
branch and I won't get pull requests against it (I usually cherry-pick
the patches, so not a problem).

-- 
Catalin



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