linux-kernel - Re: [GIT PULL] non-MM updates for 6.6-rc1

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Message-ID: <a18eda14-f2a9-f775-3dd3-14e8f06f8071@intel.com>
Date:   Thu, 31 Aug 2023 11:46:36 -0700
From:   Sohil Mehta <sohil.mehta@...el.com>
To:     Josh Poimboeuf <jpoimboe@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
CC:     Andrew Morton <akpm@...ux-foundation.org>, <linux-mm@...ck.org>,
        <mm-commits@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <x86@...nel.org>
Subject: Re: [GIT PULL] non-MM updates for 6.6-rc1

On 8/30/2023 3:53 PM, Josh Poimboeuf wrote:
> On Tue, Aug 29, 2023 at 03:20:37PM -0700, Linus Torvalds wrote:
>> Hmm. For some non-obvious (to me) reason this triggers
>>
>>   vmlinux.o: warning: objtool: ibt_selftest+0x18: sibling call from
>> callable instruction with modified stack frame
>>

...

>> At a guess it's related to the Kconfig changes, but I have nothing to
>> back that guess up with.
>>
>> Slightly annoying, but I guess I'll live with the warning for now.

This may be due to commit 0d345996e4cb ("x86/kernel: increase kcov
coverage under arch/x86/kernel folder")

Sohil