Messages in this thread | | | Date | Tue, 31 Jan 2023 16:23:19 +0800 | Subject | Re: [PATCH v5.10] arm64: fix a concurrency issue in emulation_proc_handler() | From | Ruan Jinjie <> |
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On 2023/1/31 15:27, Greg KH wrote: > On Tue, Jan 31, 2023 at 02:52:11PM +0800, ruanjinjie wrote: >> This patch is addressing an issue in stable linux-5.10 only. >> >> In linux-6.1, the related code is refactored in 124c49b1b("arm64: >> armv8_deprecated: rework deprected instruction handling") and >> this issue was incidentally fixed. However, the patch changes a lot and >> is not specific to this issue. > > Then what about 5.15.y? You can not upgrade to that kernel and have a > regression, right?
This patch has a pre-dependency af483947d ("arm64: fix oops in concurrently setting insn_emulation sysctls"), which has not merged into branches except 5.10.y, so the other branches don't apply.
> > And nit, you need a ' ' before the '(' character. > > But why can we just not take the original commit that fixed this issue? > That way almost always is the best (prevents regressions, makes > backports easier, is actually tested, etc.) ?
Thank you! It is ok to take the original commit to fix this issue.
> > thanks, > > greg k-h
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