Re: [PATCH] x86: Disable EXECMEM_ROX support
Borislav Petkov <[email protected]>
| Newsgroups | org.kernel.vger.linux-hexagon,org.kernel.vger.bpf,org.kernel.vger.linux-alpha,org.kernel.vger.linux-arch,org.kernel.vger.linux-csky,org.kernel.vger.linux-kernel,org.kernel.vger.linux-m68k,org.kernel.vger.linux-mips,org.kernel.vger.linux-modules,org.kernel.vger.linux-openrisc,org.kvack.linux-mm |
|---|---|
| Message-ID | <20250113115151.GDZ4T-VwIq_6ZafRE4@fat_crate.local> |
On Mon, Jan 13, 2025 at 12:29:34PM +0100, Peter Zijlstra wrote:
> On Mon, Jan 13, 2025 at 12:11:16PM +0100, Peter Zijlstra wrote:
>
> > There's definiltely breakage with that module_writable_address()
> > nonsense in alternative.c that will not be fixed by that patch.
> >
> > The very simplest thing at this point is to remove:
> >
> > select ARCH_HAS_EXECMEM_ROX if X86_64
> >
> > and try again next cycle.
>
> Boris asked I send it as a proper patch, so here goes. Perhaps next time
> let x86 merge x86 code :/
I just love it how this went in without a single x86 maintainer Ack, it broke
a bunch of things and then it is still there instead of getting reverted.
Let's not do this again please.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette