Re: [PATCH 5/5] x86/kernel: jump_table: use relative references

[Ard Biesheuvel]

On 28 June 2018 at 10:31, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> On Wed, Jun 27, 2018 at 06:06:04PM +0200, Ard Biesheuvel wrote:
>> Similar to the arm64 case, 64-bit x86 can benefit from using 32-bit
>> relative references rather than 64-bit absolute ones when emitting
>> struct jump_entry instances. Not only does this reduce the memory
>> footprint of the entries themselves by 50%, it also removes the need
>> for carrying relocation metadata on relocatable builds (i.e., for KASLR)
>> which saves a fair chunk of .init space as well (although the savings
>> are not as dramatic as on arm64)
>
> This will conflict with:
>
>   https://lkml.kernel.org/r/20180622172212.199633-10-namit@xxxxxxxxxx

Thanks for the head's up. Fortunately, it does not conflict
fundamentally, so it should be a straight-forward rebase after that
code is merged.

Do you think this is likely to get merged for v4.19?