On Thu, 30 Sep 2021 14:30:58 +0000, Pasha Tatashin wrote:
> Changelog:
> v18:
> - Addressed comments from Will Deacon
> - Added Acks from Catalin Marinas
> v17:
> - Merged with 5.15-rc1 as requested by Catalin Marinas
> - Added Tested-by: Pingfan Liu <[email protected]>
> v16:
> - Merged with 5.14-rc4
> v15:
> - Changed trans_pgd_copy_el2_vectors() to use vector table that
> only shared by kexec and hibernate. This way sync does not have
> dangling branch that was recently introduced. (Reported by Marc
> Zyngier)
> - Renamed is_hyp_callable() to is_hyp_nvhe() as requested by Marc
> Zyngier
> - Clean-ups, comment fixes.
> - Sync with upstream 368094df48e680fa51cedb68537408cfa64b788e
> v14:
> - Fixed a bug in "arm64: hyp-stub: Move elx_sync into the vectors"
> that was noticed by Marc Zyngier
> - Merged with upstream
> v13:
> - Fixed a hang on ThunderX2, thank you Pingfan Liu for reporting
> the problem. In relocation function we need civac not ivac, we
> need to clean data in addition to invalidating it.
> Since I was using ThunderX2 machine I also measured the new
> performance data on this large ARM64 server. The MMU improves
> kexec relocation 190 times on this machine! (see below for
> raw data). Saves 7.5s during CentOS kexec reboot.
> v12:
> - A major change compared to previous version. Instead of using
> contiguous VA range a copy of linear map is now used to perform
> copying of segments during relocation as it was agreed in the
> discussion of version 11 of this project.
> - In addition to using linear map, I also took several ideas from
> James Morse to better organize the kexec relocation:
> 1. skip relocation function entirely if that is not needed
> 2. remove the PoC flushing function since it is not needed
> anymore with MMU enabled.
> v11:
> - Fixed missing KEXEC_CORE dependency for trans_pgd.c
> - Removed useless "if(rc) return rc" statement (thank you Tyler Hicks)
> - Another 12 patches were accepted into maintainer's get.
> Re-based patches against:
> https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
> Branch: for-next/kexec
> v10:
> - Addressed a lot of comments form James Morse and from Marc Zyngier
> - Added review-by's
> - Synchronized with mainline
>
> [...]
Applied to arm64 (for-next/kexec), thanks!
[01/15] arm64: kernel: add helper for booted at EL2 and not VHE
https://git.kernel.org/arm64/c/094a3684b9b6
[02/15] arm64: trans_pgd: hibernate: Add trans_pgd_copy_el2_vectors
https://git.kernel.org/arm64/c/788bfdd97434
[03/15] arm64: hibernate: abstract ttrb0 setup function
https://git.kernel.org/arm64/c/a347f601452f
[04/15] arm64: kexec: flush image and lists during kexec load time
https://git.kernel.org/arm64/c/0d8732e461d6
[05/15] arm64: kexec: skip relocation code for inplace kexec
https://git.kernel.org/arm64/c/5bb6834fc290
[06/15] arm64: kexec: Use dcache ops macros instead of open-coding
https://git.kernel.org/arm64/c/3036ec599332
[07/15] arm64: kexec: pass kimage as the only argument to relocation function
https://git.kernel.org/arm64/c/878fdbd70486
[08/15] arm64: kexec: configure EL2 vectors for kexec
https://git.kernel.org/arm64/c/08eae0ef618f
[09/15] arm64: kexec: relocate in EL1 mode
https://git.kernel.org/arm64/c/ba959fe96a1b
[10/15] arm64: kexec: use ld script for relocation function
https://git.kernel.org/arm64/c/19a046f07ce5
[11/15] arm64: kexec: install a copy of the linear-map
https://git.kernel.org/arm64/c/3744b5280e67
[12/15] arm64: kexec: keep MMU enabled during kexec relocation
https://git.kernel.org/arm64/c/efc2d0f20a9d
[13/15] arm64: kexec: remove the pre-kexec PoC maintenance
https://git.kernel.org/arm64/c/939f1b9564c6
[14/15] arm64: kexec: remove cpu-reset.h
https://git.kernel.org/arm64/c/7a2512fa6493
[15/15] arm64: trans_pgd: remove trans_pgd_map_page()
https://git.kernel.org/arm64/c/6091dd9eaf8e
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
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