Re: [PATCH v4 00/11] livepatch,module: Remove .klp.arch and module_disable_ro()

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On Wed, 29 Apr 2020, Josh Poimboeuf wrote:

> v4:
> - Fixed rebase bisection regression [Miroslav]
> - Made module_enable_ro() static [Jessica]
> - Added Acked-by's
> 
> v3:
> - klp: split klp_write_relocations() into object/section specific
>   functions [joe]
> - s390: fix plt/got writes [joe]
> - s390: remove text_mutex usage [mbenes]
> - x86: do text_poke_sync() before releasing text_mutex [peterz]
> - split x86 text_mutex changes into separate patch [mbenes]
> 
> v2:
> - add vmlinux.ko check [peterz]
> - remove 'klp_object' forward declaration [mbenes]
> - use text_mutex [jeyu]
> - fix documentation TOC [jeyu]
> - fix s390 issues [mbenes]
> - upstream kpatch-build now supports this
>   (though it's only enabled for Linux >= 5.8)
> 
> These patches add simplifications and improvements for some issues Peter
> found six months ago, as part of his non-writable text code (W^X)
> cleanups.
> 
> Highlights:
> 
> - Remove the livepatch arch-specific .klp.arch sections, which were used
>   to do paravirt patching and alternatives patching for livepatch
>   replacement code.
> 
> - Add support for jump labels in patched code (only for static keys
>   which live in vmlinux).
> 
> - Remove the last module_disable_ro() usage.
> 
> For more background, see this thread:
> 
>   https://lkml.kernel.org/r/20191021135312.jbbxsuipxldocdjk@treble
> 
> This has been tested with kpatch-build integration tests and klp-convert
> selftests.

I have now queued this whole set (with all the gathered Acks) in 
livepatching.git#for-5.8/klp-module-fixups

-- 
Jiri Kosina
SUSE Labs




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