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spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:To:From: Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=H0rphtT8nSI0NbbZBAi33xhd1CVgtT7M3Z7TlOXWPBA=; b=bLAE596f+jnDhYt45rMZw40eG 3KntdsThvI54u6+W+kMZubzdGcg2bsMiP763U9e2vl0N5I6gaUy6dtU55HE447kNGHBqiIjOmbRRE IuH64xr6UMkMGgv5YfYzDi3noN0xkjEjfInAcj1Qi9V0bM8siY7bHOdJn9bq3QJh+hNJmVOQFEGY5 itMe7VhjfmxV1XYOrDLlAC3H2yURFS7DSYQ52l3NKvA+23R2u1fy8xuLWVqfjohRikrqfmWg30Pso SVVyKXztfORMyMO1zN5ZBOb8Sp6ACGkxTbDNAqTJgixl7rWBi/LauxEVzLYo06l2/qqUuWdWCYfID BcNGAsc2A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kkk5K-0004lm-QF; Thu, 03 Dec 2020 08:35:30 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kkk5I-0004lA-FT for linux-arm-kernel@lists.infradead.org; Thu, 03 Dec 2020 08:35:29 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 043A120C56; Thu, 3 Dec 2020 08:35:27 +0000 (UTC) Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1kkk5E-00FbN6-Ic; Thu, 03 Dec 2020 08:35:24 +0000 MIME-Version: 1.0 Date: Thu, 03 Dec 2020 08:35:24 +0000 From: Marc Zyngier To: Rongwei Wang Subject: Re: [PATCH 0/3] arm64:msr: Add MSR driver In-Reply-To: <4513911D-77BF-4459-B8DF-9889395C16AC@linux.alibaba.com> References: <20201130174833.41315-1-rongwei.wang@linux.alibaba.com> <5e7f7225982b2df63e62ea60ec632376@misterjones.org> <855BA92C-5B22-4F14-965A-B1F72A872B8D@linux.alibaba.com> <059ed4a8768ff3881005796cb4a10d5e@kernel.org> <6FA68A07-F718-46F5-81B4-586A5ED3E479@linux.alibaba.com> <7e9ae04f3394a85aa3b8fe8947a44009@kernel.org> <4513911D-77BF-4459-B8DF-9889395C16AC@linux.alibaba.com> User-Agent: Roundcube Webmail/1.4.9 Message-ID: <4f89671e080eb23b084c0e0942f111e6@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: rongwei.wang@linux.alibaba.com, catalin.marinas@arm.com, will@kernel.org, bjorn.andersson@linaro.org, shawnguo@kernel.org, gshan@redhat.com, geert+renesas@glider.be, Anson.Huang@nxp.com, masahiroy@kernel.org, michael@walle.cc, krzk@kernel.org, linux-kernel@vger.kernel.org, vkoul@kernel.org, olof@lixom.net, vincenzo.frascino@arm.com, ardb@kernel.org, linux-arm-kernel@lists.infradead.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201203_033528_708155_524D621F X-CRM114-Status: GOOD ( 16.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: vkoul@kernel.org, gshan@redhat.com, Anson.Huang@nxp.com, geert+renesas@glider.be, catalin.marinas@arm.com, masahiroy@kernel.org, linux-kernel@vger.kernel.org, krzk@kernel.org, bjorn.andersson@linaro.org, michael@walle.cc, olof@lixom.net, shawnguo@kernel.org, vincenzo.frascino@arm.com, Will Deacon , ardb@kernel.org, linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMjAyMC0xMi0wMyAwNTo0NSwgUm9uZ3dlaSBXYW5nIHdyb3RlOgo+PiAyMDIw5bm0MTLmnIgx 5pelIOS4i+WNiDExOjM377yMTWFyYyBaeW5naWVyIDxtYXpAa2VybmVsLm9yZz4g5YaZ6YGT77ya Cj4+IAo+PiBPbiAyMDIwLTEyLTAxIDE0OjI1LCB3YW5ncm9uZ3dlaSB3cm90ZToKPj4+PiAyMDIw 5bm0MTLmnIgx5pelIOS4i+WNiDQ6MTLvvIxNYXJjIFp5bmdpZXIgPG1hekBrZXJuZWwub3JnPiDl hpnpgZPvvJoKPj4+PiBPbiAyMDIwLTEyLTAxIDAzOjA5LCB3YW5ncm9uZ3dlaSB3cm90ZToKPj4+ Pj4gSGkKPj4+Pj4gV2UgaGF2ZSB2YWxpZGF0ZSB0aGlzIGRyaXZlciBpbiB2bSBhbmQgcGh5c2lj YWwgbWFjaGluZSwgYW5kIHdvcmtzIAo+Pj4+PiBmaW5lLgo+Pj4+IEJ1dCB3aGF0IGRvZXMgIndv cmsgZmluZSIgbWVhbj8gTm9uZSBvZiB0aGVzZSBzeXN0ZW0gcmVnaXN0ZXJzIGFyZSAKPj4+PiBz dXBwb3NlZAo+Pj4+IHRvIGJlIGFjY2Vzc2libGUgZnJvbSB1c2Vyc3BhY2UsIHNvIHBsZWFzZSBl eHBsYWluICp3aGF0KiB5b3UgYXJlIAo+Pj4+IHRyeWluZyB0bwo+Pj4+IGRvIHdpdGggdGhpcywg b3RoZXIgdGhhdCBpbnRyb2R1Y2luZyBzZWN1cml0eSBob2xlcyBhbmQgZ2VuZXJhbCAKPj4+PiBz eXN0ZW0KPj4+PiBpbnN0YWJpbGl0eT8KPj4+IEkgdGhpbmsgSSBrbm93IHdoYXQgeW91IG1lYW4u IERvIHlvdSB3YW50IG1lIHRvIGRlc2NyaWJlIGhvdyB3ZSAKPj4+IGFjaGlldmVkIGl0Pwo+Pj4g SW4geDg2LCB0aGUgZGlmZmVyZW50IHJlZ2lzdGVycyBjYW4gYmUgYWNjZXNzZWQgZGlyZWN0bHkg dXNpbmcgdGhlCj4+PiByZG1zciBhbmQgd3Jtc3IgaW5zdHJ1Y3Rpb25zLCBidXQgaW4gQVJNLCBz aW5jZSB0aGVzZSB0d28gCj4+PiBpbnN0cnVjdGlvbnMKPj4+IGFyZSBtaXNzaW5nLCBzbyB3ZSBt b2RpZnkgdGhlIGNvZGUgc2VnbWVudCBkdXJpbmcgcnVudGltZSwgc2ltaWxhciB0bwo+Pj4gdGhl IHByaW5jaXBsZSBvZiBzdGF0aWNfa2V5Lgo+PiAKPj4gWy4uLl0KPj4gCj4+IFRoZXNlIGFyZSBp bXBsZW1lbnRhdGlvbiBkZXRhaWxzLCBub25lIG9mIHdoaWNoIGFuc3dlciBteSBxdWVzdGlvbjoK Pj4gCj4+IFdoYXQgbWFrZXMgeW91IHRoaW5rIHRoaXMgaXMgYSBnb29kIGlkZWE/IEkgY2Fubm90 IHNlZSBhbnkgbGVnaXRpbWF0ZQo+IEluIGZhY3QsIEkgdGhpbmsgdGhpcyB0b29sIHVzZWZ1bCBt YWlubHkgaW4gdGhlIGZvbGxvd2luZyBzY2VuYXJpb3M6Cj4gCTEuIHBlcmZvcm1hbmNlIGRlYnVn Cj4gCTIuIEFybS1jb3JlIGZlYXR1cmVzIHRlc3QKPiAJMy4gRGVidWctdG9vbCBmb3Iga2VybmVs IGRldmVsb3Blcgo+IEFsc28sIGZvciBleGFtcGxlLCBNU1ItQVJNIGlzIG5lZWRlZCBmb3IgY2hp cCB2ZXJpZmljYXRpb24gYW5kCj4gc3lzdGVtLWxldmVsIGZ1bmN0aW9uYWwgdmVyaWZpY2F0aW9u Lgo+IEEgc2ltcGxlIGV4YW1wbGUsIHBlcmYgc3RhdCBjYW4gdGVzdCBwbXUsIGJ1dCB0aGUgb3Zl cmZsb3cgaW50ZXJydXB0Cj4gZnVuY3Rpb24gYW5kIGZvcmNlZCBvdmVyZmxvdyBmdW5jdGlvbiBv ZiBwbXUgaXMgbm90IGNvdmVyZWQuCgpCdXQgd2hhdCBkb2VzIGl0IG1lYW4gdG8gY2hhbmdlIHJh bmRvbSBzeXN0ZW0gcmVnaXN0ZXJzIHdoaWxlIHRoZSBrZXJuZWwKaXRzZWxmIGlzIHVzaW5nIHRo ZW0gaW4gcGFyYWxsZWw/IEFsbCB5b3UgYXJlIGludHJvZHVjaW5nIGlzIGEgYnVuY2ggb2YKdW5j b250cm9sbGVkLCB1bmV4cGVjdGVkLCBhbmQgcG9zc2libHkgZmF0YWwgc2lkZSBlZmZlY3RzLgoK SW50cm9kdWNpbmcgc3VjaCBhbiBpbnRlcmZhY2UgbWFrZXMgdGhlIGtlcm5lbCB1bnNhZmUsIGlu c2VjdXJlLCBhbmQKYW5kIHZpb2xhdGVzIGFsbCB0aGUgcG9zc2libGUgZ3VhcmFudGVlcyB0aGF0 IHdlIGFyZSB0cnlpbmcgaGFyZCB0bwpwcm92aWRlLiBBZnRlciBhbGwsIHdoeSB3b3VsZCB3ZSBl dmVuIHRyeSB0byBtaXRpZ2F0ZSBzaWRlIGNoYW5uZWwKdnVsbmVyYWJpbGl0aWVzIGlmIHdlIHdl cmUgdG8gaW50cm9kdWNlIHN1Y2ggYSB0aGluZz8KCj4gSW4gYm90aCBjYXNlcywgd2UgbmVlZCBh IHNwZWNpYWwgaW50ZXJmYWNlIHRvIGNvbmZpZ3VyZSBpdCwgd2hpY2ggY2FuCj4gYmUgY29uc2lk ZXJlZCBhcyB0ZXN0aW5nIHJlcXVpcmVtZW50cywgc28gaXQgY2FuIG9ubHkgYmUgdGVzdGVkIGJ5 Cj4gY29uZmlndXJpbmcgKGFjY2VzcykgcmVnaXN0ZXJzLCBlLmcuLCBkZXZtZW0gY29tbWFuZCBm b3IgbWVtbWFwCj4gcmVnaXN0ZXJzLCBNU1ItQVJNIGRyaXZlciBmb3Igc3lzdGVtIHJlZ2lzdGVy cy4KCmRldm1lbSB3YXMgYSB0ZXJyaWJsZSBtaXN0YWtlLiBVbnByaXZpbGVnZWQgc3lzcmVnIGFj Y2VzcyBpcyBhbm90aGVyCmluc3RhbmNlIG9mIHRoZSBzYW1lIG1pc3Rha2UuCgpUaGUga2VybmVs IGlzIG5vdCBhIHZhbGlkYXRpb24gdG9vbC4gSXQgaXMgZGVzaWduZWQgdG8gb3BlcmF0ZSBzYWZl bHksCnNlY3VyZWx5LCBhbmQgcmVsaWFibHkuIFdoYXQgeW91IHByb3Bvc2UgaXMgdGhlIG5lZ2F0 aW9uIG9mIHRoZXNlIGdvYWxzCmZvciBkdWJpb3VzIHB1cnBvc2VzLCBhbmQgSSB0aGluayBJIHJl cHJlc2VudCBhIGxhcmdlIG51bWJlciBvZiBrZXJuZWwKZGV2ZWxvcGVycyB3aGVuIEkgc2F5IHRo YXQgd2UgcmVhbGx5IGRvIG5vdCB3YW50IGl0LgoKVGhpcyB3aWxsIChob3BlZnVsbHkpIGJlIG15 IGxhc3QgbWVzc2FnZSBvbiB0aGlzIHN1YmplY3QuCgpUaGFua3MsCgogICAgICAgICBNLgotLSAK SmF6eiBpcyBub3QgZGVhZC4gSXQganVzdCBzbWVsbHMgZnVubnkuLi4KCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGlu ZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMu aW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK