From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 3625663BF3 for ; Tue, 12 Dec 2023 20:17:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="Le1a7b+M" Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id ABA4C41B6C for ; Tue, 12 Dec 2023 20:17:11 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org ABA4C41B6C Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.a=rsa-sha256 header.s=pandora-2019 header.b=Le1a7b+M X-Virus-Scanned: amavisd-new at osuosl.org X-Spam-Flag: NO X-Spam-Score: -2.098 X-Spam-Level: Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rpIfsDmPkSgB for ; Tue, 12 Dec 2023 20:17:10 +0000 (UTC) Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:32c8:5054:ff:fe00:142]) by smtp4.osuosl.org (Postfix) with ESMTPS id A767841B6A for ; Tue, 12 Dec 2023 20:17:10 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org A767841B6A DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=PDwWMvE707rKJbV02zug7t37qFDv7YOoytMyP2X6xyQ=; b=Le1a7b+MYxlb3kfygQ0jhZGDz+ 1KEl3WefH1wExk5k9L8RKfyjQb31NtNsFDmeS4rbyNsnV/AXUNGZ4lb5p5n6bzlws55DQTx6h0Pci 2u3wY6NiE6B+lMqsPbDzadz2m2GUvO+8cAcQqTDUn2jhye7PisBrMewyqd/QZUPpAurEe+jBmHuOo QZY3oxISKjP6uooc+4ddKW0Y68+IKpagaLdIr/CvX94n5Xo5rkXFcE7Uvf+3APlWLA0ytjjrnZlrN 8dsbOoFtwrn6T2CxI8FRZWBoRtSUTRQ8ww5gyZJb/FHHmDSGFj8cA+TDfANxb1MalWyb1DtUqoygz L/AUbcjQ==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:58234) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1rD9Ba-0007OH-0y; Tue, 12 Dec 2023 20:16:58 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1rD9Bb-0000jo-UJ; Tue, 12 Dec 2023 20:16:59 +0000 Date: Tue, 12 Dec 2023 20:16:59 +0000 From: "Russell King (Oracle)" To: "Rafael J. Wysocki" Cc: linux-pm@vger.kernel.org, loongarch@lists.linux.dev, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, kvmarm@lists.linux.dev, x86@kernel.org, acpica-devel@lists.linuxfoundation.org, linux-csky@vger.kernel.org, linux-doc@vger.kernel.org, linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org, Salil Mehta , Jean-Philippe Brucker , jianyong.wu@arm.com, justin.he@arm.com, James Morse Subject: Re: [RFC PATCH v3 00/39] ACPI/arm64: add support for virtual cpuhotplug Message-ID: References: Precedence: bulk X-Mailing-List: acpica-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: Russell King (Oracle) On Tue, Dec 12, 2023 at 09:05:14PM +0100, Rafael J. Wysocki wrote: > On Tue, Dec 12, 2023 at 8:58 PM Russell King (Oracle) > wrote: > > > > On Mon, Dec 04, 2023 at 06:23:02PM +0000, Russell King (Oracle) wrote: > > > On Tue, Oct 24, 2023 at 08:26:58PM +0200, Rafael J. Wysocki wrote: > > > > I've gone through the series and there is at least one thing in it > > > > that concerns me a lot and some others that at least appear to be > > > > really questionable. > > > > > > > > I need more time to send comments which I'm not going to do before the > > > > 6.7 merge window (sorry), but from what I can say right now, this is > > > > not looking good. > > > > > > Hi Rafael, > > > > > > Will you be able to send your comments, so that we can find out what > > > your other concerns are please? I'm getting questions from interested > > > parties who want to know what your concerns are. > > > > > > Nothing much has changed to the ACPI changes, so I think it's still > > > valid to have the comments back for this. > > > > Hi Rafael, > > > > Another gentle prod on this... > > There was a selection of the patches in the series sent separately and > I believe that some of them have been applied already. > > Can you please send the remaining patches again so it is clear what's > still outstanding? I can do tomorrow, thanks. I will re-post as RFC again because it will depend on the cleanup part that was merged into Greg's tree - and thus the series isn't standalone (and I'll mention that in the cover message.) We need to hear your concerns, which sounded quite damning for the series, so that if it's possible to save this a plan to address your concerns can be formulated. Thanks. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last! 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Wysocki" Cc: linux-pm@vger.kernel.org, loongarch@lists.linux.dev, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, kvmarm@lists.linux.dev, x86@kernel.org, acpica-devel@lists.linuxfoundation.org, linux-csky@vger.kernel.org, linux-doc@vger.kernel.org, linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org, Salil Mehta , Jean-Philippe Brucker , jianyong.wu@arm.com, justin.he@arm.com, James Morse Subject: Re: [RFC PATCH v3 00/39] ACPI/arm64: add support for virtual cpuhotplug Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231212_121707_605035_349A947D X-CRM114-Status: GOOD ( 27.32 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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Wysocki" Cc: linux-pm@vger.kernel.org, loongarch@lists.linux.dev, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, kvmarm@lists.linux.dev, x86@kernel.org, acpica-devel@lists.linuxfoundation.org, linux-csky@vger.kernel.org, linux-doc@vger.kernel.org, linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org, Salil Mehta , Jean-Philippe Brucker , jianyong.wu@arm.com, justin.he@arm.com, James Morse Subject: Re: [RFC PATCH v3 00/39] ACPI/arm64: add support for virtual cpuhotplug Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231212_121707_605035_349A947D X-CRM114-Status: GOOD ( 27.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gVHVlLCBEZWMgMTIsIDIwMjMgYXQgMDk6MDU6MTRQTSArMDEwMCwgUmFmYWVsIEouIFd5c29j a2kgd3JvdGU6Cj4gT24gVHVlLCBEZWMgMTIsIDIwMjMgYXQgODo1OOKAr1BNIFJ1c3NlbGwgS2lu ZyAoT3JhY2xlKQo+IDxsaW51eEBhcm1saW51eC5vcmcudWs+IHdyb3RlOgo+ID4KPiA+IE9uIE1v biwgRGVjIDA0LCAyMDIzIGF0IDA2OjIzOjAyUE0gKzAwMDAsIFJ1c3NlbGwgS2luZyAoT3JhY2xl KSB3cm90ZToKPiA+ID4gT24gVHVlLCBPY3QgMjQsIDIwMjMgYXQgMDg6MjY6NThQTSArMDIwMCwg UmFmYWVsIEouIFd5c29ja2kgd3JvdGU6Cj4gPiA+ID4gSSd2ZSBnb25lIHRocm91Z2ggdGhlIHNl cmllcyBhbmQgdGhlcmUgaXMgYXQgbGVhc3Qgb25lIHRoaW5nIGluIGl0Cj4gPiA+ID4gdGhhdCBj b25jZXJucyBtZSBhIGxvdCBhbmQgc29tZSBvdGhlcnMgdGhhdCBhdCBsZWFzdCBhcHBlYXIgdG8g YmUKPiA+ID4gPiByZWFsbHkgcXVlc3Rpb25hYmxlLgo+ID4gPiA+Cj4gPiA+ID4gSSBuZWVkIG1v cmUgdGltZSB0byBzZW5kIGNvbW1lbnRzIHdoaWNoIEknbSBub3QgZ29pbmcgdG8gZG8gYmVmb3Jl IHRoZQo+ID4gPiA+IDYuNyBtZXJnZSB3aW5kb3cgKHNvcnJ5KSwgYnV0IGZyb20gd2hhdCBJIGNh biBzYXkgcmlnaHQgbm93LCB0aGlzIGlzCj4gPiA+ID4gbm90IGxvb2tpbmcgZ29vZC4KPiA+ID4K PiA+ID4gSGkgUmFmYWVsLAo+ID4gPgo+ID4gPiBXaWxsIHlvdSBiZSBhYmxlIHRvIHNlbmQgeW91 ciBjb21tZW50cywgc28gdGhhdCB3ZSBjYW4gZmluZCBvdXQgd2hhdAo+ID4gPiB5b3VyIG90aGVy IGNvbmNlcm5zIGFyZSBwbGVhc2U/IEknbSBnZXR0aW5nIHF1ZXN0aW9ucyBmcm9tIGludGVyZXN0 ZWQKPiA+ID4gcGFydGllcyB3aG8gd2FudCB0byBrbm93IHdoYXQgeW91ciBjb25jZXJucyBhcmUu Cj4gPiA+Cj4gPiA+IE5vdGhpbmcgbXVjaCBoYXMgY2hhbmdlZCB0byB0aGUgQUNQSSBjaGFuZ2Vz LCBzbyBJIHRoaW5rIGl0J3Mgc3RpbGwKPiA+ID4gdmFsaWQgdG8gaGF2ZSB0aGUgY29tbWVudHMg YmFjayBmb3IgdGhpcy4KPiA+Cj4gPiBIaSBSYWZhZWwsCj4gPgo+ID4gQW5vdGhlciBnZW50bGUg cHJvZCBvbiB0aGlzLi4uCj4gCj4gVGhlcmUgd2FzIGEgc2VsZWN0aW9uIG9mIHRoZSBwYXRjaGVz IGluIHRoZSBzZXJpZXMgc2VudCBzZXBhcmF0ZWx5IGFuZAo+IEkgYmVsaWV2ZSB0aGF0IHNvbWUg b2YgdGhlbSBoYXZlIGJlZW4gYXBwbGllZCBhbHJlYWR5Lgo+IAo+IENhbiB5b3UgcGxlYXNlIHNl bmQgdGhlIHJlbWFpbmluZyBwYXRjaGVzIGFnYWluIHNvIGl0IGlzIGNsZWFyIHdoYXQncwo+IHN0 aWxsIG91dHN0YW5kaW5nPwoKSSBjYW4gZG8gdG9tb3Jyb3csIHRoYW5rcy4gSSB3aWxsIHJlLXBv c3QgYXMgUkZDIGFnYWluIGJlY2F1c2UgaXQgd2lsbApkZXBlbmQgb24gdGhlIGNsZWFudXAgcGFy dCB0aGF0IHdhcyBtZXJnZWQgaW50byBHcmVnJ3MgdHJlZSAtIGFuZCB0aHVzCnRoZSBzZXJpZXMg aXNuJ3Qgc3RhbmRhbG9uZSAoYW5kIEknbGwgbWVudGlvbiB0aGF0IGluIHRoZSBjb3ZlcgptZXNz YWdlLikKCldlIG5lZWQgdG8gaGVhciB5b3VyIGNvbmNlcm5zLCB3aGljaCBzb3VuZGVkIHF1aXRl IGRhbW5pbmcgZm9yIHRoZQpzZXJpZXMsIHNvIHRoYXQgaWYgaXQncyBwb3NzaWJsZSB0byBzYXZl IHRoaXMgYSBwbGFuIHRvIGFkZHJlc3MgeW91cgpjb25jZXJucyBjYW4gYmUgZm9ybXVsYXRlZC4K ClRoYW5rcy4KCi0tIApSTUsncyBQYXRjaCBzeXN0ZW06IGh0dHBzOi8vd3d3LmFybWxpbnV4Lm9y Zy51ay9kZXZlbG9wZXIvcGF0Y2hlcy8KRlRUUCBpcyBoZXJlISA4ME1icHMgZG93biAxME1icHMg dXAuIERlY2VudCBjb25uZWN0aXZpdHkgYXQgbGFzdCEKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0Cmxp bnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFk Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK