Re: [PATCH v2 0/5] Improve objtool jump table handling

2024-10-10 Thread Josh Poimboeuf
On Thu, Oct 10, 2024 at 07:50:17PM +0200, Ard Biesheuvel wrote: > On Thu, 10 Oct 2024 at 14:28, Ard Biesheuvel wrote: > > > > From: Ard Biesheuvel > > > > Jump table handling has faded into the background a little due to the > > fact that jump tables are [currently] disabled when enabling retpoli

Re: [PATCH v2 0/5] Improve objtool jump table handling

2024-10-10 Thread Ard Biesheuvel
On Thu, 10 Oct 2024 at 14:28, Ard Biesheuvel wrote: > > From: Ard Biesheuvel > > Jump table handling has faded into the background a little due to the > fact that jump tables are [currently] disabled when enabling retpoline > mitigations and/or IBT on x86. > > However, this is likely to come back

[PATCH v2 0/5] Improve objtool jump table handling

2024-10-10 Thread Ard Biesheuvel
From: Ard Biesheuvel Jump table handling has faded into the background a little due to the fact that jump tables are [currently] disabled when enabling retpoline mitigations and/or IBT on x86. However, this is likely to come back and bite us later, so it still needs to be addressed. Given the di