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From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>,
	20241015061522.25288-1-rui.zhang@intel.com,
	Zhang Rui <rui.zhang@intel.com>,
	hpa@zytor.com, peterz@infradead.org, thorsten.blum@toblux.com,
	yuntao.wang@linux.dev, tony.luck@intel.com, len.brown@intel.com,
	srinivas.pandruvada@intel.com, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org, mingo@redhat.com, bp@alien8.de,
	dave.hansen@linux.intel.com, rafael.j.wysocki@intel.com,
	x86@kernel.org, linux-pm@vger.kernel.org,
	Masahiro Yamada <masahiroy@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nicolas Schier <nicolas@fjasle.eu>,
	linux-kbuild@vger.kernel.org
Subject: Re: [PATCH] modpost: Add .irqentry.text to OTHER_SECTIONS
Date: Mon, 2 Dec 2024 13:10:28 +0900	[thread overview]
Message-ID: <20241202041028.GJ10431@google.com> (raw)
In-Reply-To: <87iks3wt2t.ffs@tglx>

On (24/12/01 12:17), Thomas Gleixner wrote:
> The compiler can fully inline the actual handler function of an interrupt
> entry into the .irqentry.text entry point. If such a function contains an
> access which has an exception table entry, modpost complains about a
> section mismatch:
> 
>   WARNING: vmlinux.o(__ex_table+0x447c): Section mismatch in reference ...
> 
>   The relocation at __ex_table+0x447c references section ".irqentry.text"
>   which is not in the list of authorized sections.
> 
> Add .irqentry.text to OTHER_SECTIONS to cure the issue.

This works.  In fact, this looks like a local fix which we applied
here on our side, but we were very unsure.  Thank you Thomas.

      parent reply	other threads:[~2024-12-02  4:10 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-28 11:18 bisected: [PATCH V4] x86/apic: Always explicitly disarm TSC-deadline timer Sergey Senozhatsky
2024-11-28 11:22 ` Sergey Senozhatsky
2024-11-30 11:21 ` Thomas Gleixner
2024-11-30 11:45   ` Sergey Senozhatsky
2024-12-01 11:17     ` [PATCH] modpost: Add .irqentry.text to OTHER_SECTIONS Thomas Gleixner
2024-12-02  2:02       ` Masahiro Yamada
2024-12-02 21:03         ` Thomas Gleixner
2024-12-03 15:27           ` Masahiro Yamada
2024-12-03 16:10             ` Thomas Gleixner
2024-12-02  4:10       ` Sergey Senozhatsky [this message]

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