Re: [PATCH 0/5] add support for relative references in special sections

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On (08/14/17 11:52), Ard Biesheuvel wrote:
> This adds support for emitting special sections such as initcall arrays,
> PCI fixups and tracepoints as relative references rather than absolute
> references. This reduces the size by 50% on 64-bit architectures, but
> more importantly, it removes the need for carrying relocation metadata
> for these sections in relocatables kernels (e.g., for KASLR) that need
> to fix up these absolute references at boot time. On arm64, this reduces
> the vmlinux footprint of such a reference by 8x (8 byte absolute reference
> + 24 byte RELA entry vs 4 byte relative reference)
[..]

a side note,
checkpatch complaints quite a lot.

	-ss



[Index of Archives]     [Linux Kernel]     [Kernel Newbies]     [x86 Platform Driver]     [Netdev]     [Linux Wireless]     [Netfilter]     [Bugtraq]     [Linux Filesystems]     [Yosemite Discussion]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]

  Powered by Linux