From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=180.181.231.80 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793769689; b=kq+8OKnj/Dx2dJ2Bpr9XSJV3X7YOKkhoDjZBGe3/tBOXx2yr+/aRJf01yPDco8VyOizD 8H5LVkv6ND9cChJUkVPmBXGpKVsPsOLCSwlklHDQ3aaIKtvFWdTmJFb+99XEhRXcRidkx gxZHJZjnC5vOwC7TepmCDl1iXpDdmtwUJrQQAKlRny2p5keKjIqIf5U39ILsCeZaeLD/2 7K9cvsEwMNfIMhaDcLIu9P7wqX8JIxLMPELxek1RGp3IUsVOHmQLWp1eNF4myLA0WBkNS CG/mSmuEX7RKqD2x+iXTafCfW/rxvbZQ2V7US4iScKrqK7fzg/9SU4KNAR0iVIcdBLw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793769689; h=DMARC-Filter:DKIM-Signature:Received:Received:Date:From:To:Cc: Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=S3sZXHpAcPchFFTmYmyd75A+OImYl038QKcmLNpDQcM=; b=jdl1uq1a2z2JrUle2T9OC9Oyc9Wn8m/5mj70eWFYazixGGbxCztf3prBdUM2J/B6iQai cBsBYBFuiuMTVkMqtMr/K1cLG6j2cGcBvqOjC0U5JGESY4LOLsLWxe/uVrURb0bRbIRe3 w8UGVlXe39hDTc2aRllARZ/Nf/msjbx1v5l/tA3Ck70PPrMEX+ALoSvYgFzx/wiyy6r14 wQwv4Qp2t87gEUfTyFZuwbk9mjItb6mzGHLYqj9VBcBxRlCXO1yu/HuwKnnYyXkXY4adK yeKCkOIO+Mrdtc8qDTtbTRxvmMiUtCL0eNGDG52FlhCNtFUrUcpZ7jBa8dsB4QmueuQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=gondor.apana.org.au; spf=pass smtp.mailfrom=gondor.apana.org.au; dkim=pass header.d=gondor.apana.org.au header.i=@gondor.apana.org.au header.a=rsa-sha256 header.s=h01 header.b=YzLPmqXY; arc=none smtp.remote-ip=180.181.231.80 Received: from abb.hmeau.com (abb.hmeau.com [180.181.231.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DDEE4606A31B; Wed, 4 Nov 2026 05:21:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org DDEE4606A31B Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=gondor.apana.org.au header.i=@gondor.apana.org.au header.a=rsa-sha256 header.s=h01 header.b=YzLPmqXY DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gondor.apana.org.au; s=h01; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:cc:to:subject:message-id:date: from:content-type:reply-to; bh=S3sZXHpAcPchFFTmYmyd75A+OImYl038QKcmLNpDQcM=; b=YzLPmqXY0MxXcC9TMOXwtUj7onQ5u6uagUGMGvdjIpVkTP0Dv23rLhmSumxfZZn9cA6gKZRTLLB zUUP6RRaHjDRbnuMAMqEcuo7nQHB9PsSZBPM0FnxE9Q98mO389RY3/dWKz1C958KgOmh16HLIOKtc x8cUnVMgGtq+BggapJkv2Bn36/SFC076gxdVbV5Jq6XjHbUfxzsEdgrOXRaPt+v+zCSF5MuA7lv1C rmHeiyTOMCaynQwEazXm1jotf54Q72+cISoQelnRNRnE5jqXHmklBVLsl7GiCJ8J9VmVwxH5IB5KO iBPhK7SfwtoU/iY7fhPYXRvyuSnkjDLm697A==; Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.98.2 #2 (Debian)) id 1xOTQr-0000000Ajf4-0KeO; Wed, 04 Nov 2026 13:21:10 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Wed, 04 Nov 2026 13:21:09 +0800 Date: Wed, 4 Nov 2026 13:21:09 +0800 From: Herbert Xu To: Linus Torvalds Cc: "Liam R. Howlett (Google)" , Davidlohr Bueso , Uladzislau Rezki , Michal Hocko , Baoquan He , Alexander Potapenko , Andrey Ryabinin , Marco Elver , Michal Hocko , Linux Crypto Mailing List , Andrew Morton , Thomas Graf , linux-mm@kvack.org, linux-kernel@vger.kernel.org, maple-tree@lists.infradead.org, Lorenzo Stoakes , Chris Mason , Alice Ryhl , Andrew Ballance , stable@vger.kernel.org, "David Hildenbrand (Arm)" Subject: Re: [PATCH 4/4] rhashtable: fix vmalloc() deadlock in atomic rehash Message-ID: References: <20261028154218.1668182-1-liam@infradead.org> <20261028154218.1668182-5-liam@infradead.org> 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: On Tue, Nov 03, 2026 at 08:28:36PM -0800, Linus Torvalds wrote: > > Sadly, the commit you point to doesn't talk about *why* that > braindamage was done. Looking at the original thread it seems like it > was for kmsan. Here is the link to the whole series that was applied (v4): https://lore.kernel.org/all/20251007122035.56347-11-urezki@gmail.com/T/#m50cf87c3f12015a56abe5a6359525019851f1b97 This is the original RFC: https://lore.kernel.org/all/20250704152537.55724-1-urezki@gmail.com/ Thanks, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt