From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 569213DCDBA; Tue, 26 May 2026 11:17:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779794248; cv=none; b=m7BUn5tkgolqSCWCp/PhefLuneOIFhiTix/NgmSUzNWSXk0RQJzMxaGfit/HtI8eKpiwvg4mQ9fJ1hMK1vvQuTiDzos5yWHiSJfvvH/9GOMNAPK8oWf+9Cbm4DU66Hi7XzElsWxal/K59k9N7tnTe3bCyJqY+izV8tGRTL54Vjs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779794248; c=relaxed/simple; bh=+0sPyzuSHlLoJAd87i/e3m0e8N619YAooFpJZS/llgA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=Cg7fv96JgAfZUcGgu2poY+zOkLOlNCDDgFd1q1GiWiGtalTJphikIut0qIpAkT8+uCB7Z+crgyZBDwhYdm99IMw1g7yDigram7oz5hjqG129GjKRU4wCGg8ea4LuxhMzCSmzYyiF5J/iHFmij1M3OCTUbDEZElYbncBZIrftr7Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=Yp7lfk3K; arc=none smtp.client-ip=220.197.31.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="Yp7lfk3K" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:To:Subject:Content-Type:MIME-Version: Message-ID; bh=+0sPyzuSHlLoJAd87i/e3m0e8N619YAooFpJZS/llgA=; b=Y p7lfk3KuXdF/NX3kF9S4mqcEdfoyTxGLBbQWti6D24hDkf33OEnbxTpkl21QMLoq T/9AzoASk8kEMxCh6SCBZzkpR+dVjZjP3cNw7NLf9a7UuHVZCMNdwb7VkrdX8FOg 4cBTBphBoDKakAO0D117sF+zMFqbEZS8TuVO12qqNk= Received: from w15303746062$163.com ( [113.200.174.80] ) by ajax-webmail-wmsvr-40-141 (Coremail) ; Tue, 26 May 2026 19:16:23 +0800 (CST) Date: Tue, 26 May 2026 19:16:23 +0800 (CST) From: w15303746062 To: "Maarten Lankhorst" Cc: "Greg KH" , louis.chauvet@bootlin.com, hamohammed.sa@gmail.com, simona@ffwll.ch, melissa.srw@gmail.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, "Mingyu Wang" <25181214217@stu.xidian.edu.cn> Subject: Re:Re: [PATCH 6.18.y] drm/vkms: Fix ABBA deadlock in vblank disable and timer callback X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20260403(27802f6d) Copyright (c) 2002-2026 www.mailtech.cn 163com In-Reply-To: <9c4a68c4-43a3-4a9b-a131-9570174c8df3@linux.intel.com> References: <20260515131826.388154-1-w15303746062@163.com> <2026051557-thermal-petite-7da0@gregkh> <581657f0.ba8.19e2eaaf003.Coremail.w15303746062@163.com> <2026051633-skyward-parrot-cdd3@gregkh> <397754a7.224c.19e38e42006.Coremail.w15303746062@163.com> <9c4a68c4-43a3-4a9b-a131-9570174c8df3@linux.intel.com> X-NTES-SC: AL_Qu2cC/uSu0kj5SaYbOkfmU0Qguw9Xcq5uPkj34FWN5t8jCrr+ScQXEB9PUv50tuDMAuVihKOaARIx+pFfqh7RpoTzlm0XpsHjmuGni5I5i2vMQ== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <63508f34.98ff.19e640005c5.Coremail.w15303746062@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:jSgvCgD3X1oHgRVqdLqsAA--.13543W X-CM-SenderInfo: jzrvjiatxuliiws6il2tof0z/xtbC4wdBJWoVgQfVegAA3W X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== CkhpIE1hYXJ0ZW4sCgo+QXMgZmFyIGFzIEkgY2FuIHRlbGwsIGlmIGl0J3MganVzdCBhIGJ1ZyBh ZmZlY3RpbmcgdmttcywgYWxsIHlvdSBuZWVkIHRvIGRvCj5pcyBvbmx5IGEgZmV3IGNvbW1pdHM6 Cj4KPjc0YWZlYjgxMjg1MCAoImRybS92Ymxhbms6IEFkZCB2YmxhbmsgdGltZXIiKQo+ZDU0ZGJi NTk2M2JkICgiZHJtL3ZibGFuazogQWRkIENSVEMgaGVscGVycyBmb3Igc2ltcGxlIHVzZSBjYXNl cyIpCj4wMmUyNjgxZmZlMWEgKCJkcm0vdmttczogQ29udmVydCB0byBEUk0ncyB2YmxhbmsgdGlt ZXIiKQo+NzlhZTg1MTBiNWI4ICgiZHJtL2F0b21pYzogSW5jcmVhc2UgdGltZW91dCBpbiBkcm1f YXRvbWljX2hlbHBlcl93YWl0X2Zvcl92YmxhbmtzKCkiKQo+Mzk0NmQzYmE5OTM0ICgiZHJtL3Zi bGFuazogRml4IGtlcm5lbCBkb2NzIGZvciB2YmxhbmsgdGltZXIiKQo+Cj5UaGVyZSdzIG5vIG5l ZWQgdG8gY29udmVydCBhbGwgb3RoZXIgZHJpdmVycyBpZiBpdCdzIG9ubHkgdmttcyB0aGF0IHlv dSdyZSBmaXhpbmcuCgpUaGFuayB5b3UgdmVyeSBtdWNoIGZvciBwb2ludGluZyBvdXQgdGhpcyBw cmVjaXNlIGRlcGVuZGVuY3kgY2hhaW4uIEl0IGNvbXBsZXRlbHkgc2F2ZWQgdGhlIGJhY2twb3J0 IGVmZm9ydC4gSSBoYXZlIGNoZXJyeS1waWNrZWQgdGhlc2UgNSBjb21taXRzIG9udG8gdGhlIDYu MTgueSBicmFuY2gsIGFuZCB0aGV5IGFwcGx5IGNsZWFubHkgd2l0aG91dCBwdWxsaW5nIGluIHRo ZSBtYXNzaXZlIERSTSBjb3JlIHJlZmFjdG9yaW5nLiAKClRoaXMgc2VyaWVzIGNvbXBsZXRlbHkg cmVzb2x2ZXMgdGhlIFN5emthbGxlciBSQ1Ugc3RhbGwgKHNvZnQgbG9ja3VwKSBJIHdhcyBvYnNl cnZpbmcgaW4gbXkgbG9jYWwgZnV6emluZyBlbnZpcm9ubWVudC4gSSBoYXZlIGp1c3Qgc3VibWl0 dGVkIHRoaXMgNS1wYXRjaCBzZXJpZXMgdG8gdGhlIGxpc3QuCgo+QnV0IHNpbmNlIHlvdSBmb3Vu ZCB0aGlzIGJ1ZyBpbiBvbmUgZHJpdmVyLCBpdCBtaWdodCBiZSB3aXNlIHRvIGNoZWNrIGlmIG90 aGVycwo+aGF2ZSB0aGUgc2FtZSBidWcgYW5kIGFzayBmb3IgYmFja3BvcnRzIGZvciB0aG9zZSB0 b28uCgpGb2xsb3dpbmcgeW91ciBzdWdnZXN0aW9uLCBJIGNvbmR1Y3RlZCBhIHN0YXRpYyBsb2Nr IGRlcGVuZGVuY3kgYXVkaXQgYWNyb3NzIHRoZSBkcml2ZXJzL2dwdS9kcm0vIHN1YnN5c3RlbSBp biB0aGUgNi4xOC55IHRyZWUsIHNwZWNpZmljYWxseSBsb29raW5nIGZvciBzaW1pbGFyIGFidXNl cyBvZiBocnRpbWVyX2NhbmNlbCBwYWlyZWQgd2l0aCBjdXN0b20gdmJsYW5rL3BvbGxpbmcgdGlt ZXJzLgoKSSBhdWRpdGVkIHRoZSBoaWdobHkgc3VzcGljaW91cyBjYW5kaWRhdGVzLCBpbmNsdWRp bmc6CgoxLiBpOTE1L2d2dCAodmlydHVhbCBkaXNwbGF5IGVtdWxhdGlvbjogdmJsYW5rX3RpbWVy X2ZuIHZzIGludGVsX3ZncHVfY2xlYW5fZGlzcGxheSkKMi4geGUgKE9BIGJ1ZmZlciBwb2xsaW5n OiB4ZV9vYV9wb2xsX2NoZWNrX3RpbWVyX2NiIHZzIHhlX29hX3N0cmVhbV9kaXNhYmxlKQozLiBt c20gKGZlbmNlIGRlYWRsaW5lcyAmIGRldmZyZXE6IGRlYWRsaW5lX3RpbWVyIHZzIG1zbV91cGRh dGVfZmVuY2UpCgpGb3J0dW5hdGVseSwgdGhlc2UgZHJpdmVycyBhcmUgc3RydWN0dXJhbGx5IHNh ZmUgZnJvbSB0aGlzIHNwZWNpZmljIEFCQkEgZGVhZGxvY2sgcGF0dGVybi4gVGhleSBzdWNjZXNz ZnVsbHkgYXZvaWQgaXQgZWl0aGVyIGJ5IGhlYXZpbHkgZGVjb3VwbGluZyB0aGUgdGltZXIgY2Fs bGJhY2sgZnJvbSB0aGUgbG9jayBjb250ZXh0IHZpYSB3b3JrcXVldWVzIChtc21fZmVuY2UgYW5k IGk5MTUvZ3Z0IG9ubHkgdXNlIHRoZSB0aW1lciB0byBzYWZlbHkgd2FrZV91cCBvciBxdWV1ZSB3 b3JrIHdpdGhvdXQgaG9sZGluZyBtdXRleGVzL3NwaW5sb2NrcyksIG9yIGJ5IHV0aWxpemluZyBm aW5lLWdyYWluZWQgbG9ja2luZyB3aGVyZSB0aGUgY2FuY2VsIHBhdGggYW5kIHRoZSB0aW1lciBj YWxsYmFjayBkbyBub3QgY29udGVzdCB0aGUgc2FtZSBsb2NrICh4ZSBzdHJlYW0gcG9sbGluZyku CgpUaGVyZWZvcmUsIGl0IHNlZW1zIHZrbXMgd2FzIGEgdW5pcXVlIGxlZ2FjeSBvdXRsaWVyIGlu IHRoaXMgcmVnYXJkLiBObyBmdXJ0aGVyIGJhY2twb3J0cyBhcmUgbmVlZGVkIGZvciBvdGhlciBE Uk0gZHJpdmVycyBmb3IgdGhpcyBzcGVjaWZpYyB2dWxuZXJhYmlsaXR5LgoKVGhhbmtzIGFnYWlu IGZvciB0aGUgcm9hZG1hcCBhbmQgdGhlIHRob3JvdWdoIHJldmlldy4KCkJlc3QgcmVnYXJkcywK TWluZ3l1Cg==