From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793324676; b=wEbrWrxr9YL+brltMNyDt1tSg7cc+/vQHL9PYQ7Ke/EOUDVYmDbot+D8ayvuC2/KAj9i znWkR1Qw2hCgSx/AlH7CYbxwwbO/xSMmkFYGvbQWZo4lxuOcHwT1ChwQaEx1oXN5JtqGD 2ni9KJ2ngLpXRnFvmE//R77oNU2tT42XMCOGDG3l8pAfl3+p5pwgZC2jnolG4WNjZdwY5 0VFo21o5TRrqBGZqWoKUxH/Gn97u8pcozsOKVNekljCpdZb19HylZVWCAKcbWnHhiGPfz FkLPJTvjzTuacDVZt0LrBR+J15wn3KNy9MFWFo3scBGYLp24f8pGb4quzkzAwtGZ5Ew== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793324676; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=Sy845HGwISavlYeaQmf+u9/fjCcYSx2djFzOl0UdI70=; b=p1PyKQgjK06DEWfPkseWkICgmUva3cKrBA0zKVFwERMpQKdETz3HRItYXVygoACjPjBL hBJTqyI1/qHROS50LcTaObGsbb1Sxc+6HkVQxc2KmTCmDjMElxHvwlutuAlW9rOP9LhMi tUUUzZ6bPil+NfsQAkgHaVnyden3wiC2kNUSDOwDhaWQ2NG05ExKFnmUhtwJShwYhKLLw b8RWgYIgJboRc6MiT3SI1t42uZXvFv1iflTujGPL9OamZ/oWUpPnqX7VwKO3QudUW8MuL eDas6XLk37EPxNzZTIJe+CIqucdazT8xrhfBoJHg43T/+ciO8n0YJ/aCihJe0L4cG4w== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=esFKCSp1; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2A4ED606A31A; Fri, 30 Oct 2026 01:44:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=esFKCSp1 Received: by smtp.kernel.org (Postfix) with ESMTPSA id C9BF61F000C1; Fri, 30 Oct 2026 01:44:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793324675; bh=Sy845HGwISavlYeaQmf+u9/fjCcYSx2djFzOl0UdI70=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=esFKCSp1iSydhGyP428rF4cixhOIxf6jlstxUct2+P1uhubwgXe/5G98eQYiN3km7 QW+wEVAWtbtrsw08fjiI3VjLgu4iAgtDG//875XEYVsqGhVRg9G+uxwV/V2BnAG5C6 OAothp1h0ceHp0szI6+ljDCUrvVb3EgfCmDAg1Y3jWT4qgDR++Nm0g5TP2D0hiHNu+ 0JwSxoAKkYAViEC4S2qFB4mDtSCzKrzfkHPIO2MtxkCxbwQTkw1T/+pyMTClwzrkTL BlZ2uT9+9eysoxneIniqzc99DyA3Q9I+Wj9v2GQURA3FFc256bAvnW6kjPhayX01Oa McWm9WON9xa8Q== Date: Fri, 30 Oct 2026 01:44:32 +0000 From: Tzung-Bi Shih To: Scott Collyer Cc: Benson Leung , Guenter Roeck , chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] platform/chrome: cros_ec_ishtp: report EC_HOST_EVENT_PANIC to userspace Message-ID: References: <20261029203008.419808-1-scollyer@google.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261029203008.419808-1-scollyer@google.com> On Thu, Oct 29, 2026 at 01:30:08PM -0700, Scott Collyer wrote: > When the ISH firmware encounters a fatal exception, it resets and sends > EC_HOST_EVENT_PANIC over the ISHTP MKBP channel. Register an > event_notifier callback in cros_ec_ishtp to log the panic, invoke the > panic_notifier chain, and emit an ERROR=PANIC uevent so userspace crash > collectors can capture the panic dump and handle recovery. > > Signed-off-by: Scott Collyer I'll queue this after -rc1 comes out.