linux-kernel - Re: [PATCH 4.19.y 0/3] ia64: kprobes: Fix build error on ia64

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Date:   Fri, 29 Apr 2022 10:58:29 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     stable@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ingo Molnar <mingo@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.19.y 0/3] ia64: kprobes: Fix build error on ia64

On Tue, Apr 26, 2022 at 11:25:54PM +0900, Masami Hiramatsu wrote:
> Hi,
> 
> Kernel test bot reported that the ia64 build error on stable 4.19.y because
> of the commit d3380de483d5 ("ia64: kprobes: Use generic kretprobe trampoline
> handler").
> I also found that this commit was involved by the backporting of commit
> f5f96e3643dc ("ia64: kprobes: Fix to pass correct trampoline address to the
> handler"), and this 2nd commit was backported wrong way. Actually, this 2nd
> commit aimed to use dereference_function_descriptor() in kprobes@...4, but
> the comment (and Fixes tag) points the 1st commit. Thus I guess this mistake
> happened.
> 
> So I re-backport the upstream commit a7fe2378454c ("ia64: kprobes: Fix to
> pass correct trampoline address to the handler") correctly, without involving
> the 1st commit.
> 
> Thank you,

All now queued up, thanks.

greg k-h