From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Morse Subject: Re: [PATCH v5 04/13] arm64: kernel: Survive corrected RAS errors notified by SError Date: Fri, 05 Jan 2018 18:28:46 +0000 Message-ID: <5A4FC3DE.3010907@arm.com> References: <20171215155101.23505-1-james.morse@arm.com> <20171215155101.23505-5-james.morse@arm.com> <79ccc7df-802b-e25c-05cf-b1ecc7c05569@huawei.com> <720fa5cc-93a9-8844-c2f3-83116a724d1b@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id D795049DAD for ; Fri, 5 Jan 2018 13:26:30 -0500 (EST) Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hNHm90au+cKq for ; Fri, 5 Jan 2018 13:26:29 -0500 (EST) Received: from foss.arm.com (usa-sjc-mx-foss1.foss.arm.com [217.140.101.70]) by mm01.cs.columbia.edu (Postfix) with ESMTP id BE9C249D2B for ; Fri, 5 Jan 2018 13:26:29 -0500 (EST) In-Reply-To: <720fa5cc-93a9-8844-c2f3-83116a724d1b@huawei.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu To: gengdongjiu , linux-arm-kernel@lists.infradead.org Cc: Jonathan.Zhang@cavium.com, Marc Zyngier , Catalin Marinas , Will Deacon , Linuxarm , kvmarm@lists.cs.columbia.edu List-Id: kvmarm@lists.cs.columbia.edu SGkgZ2VuZ2RvbmdqaXUsCgpPbiAxNi8xMi8xNyAwNDo1MSwgZ2VuZ2RvbmdqaXUgd3JvdGU6Cj4g T24gMjAxNy8xMi8xNiAxMjowOCwgZ2VuZ2RvbmdqaXUgd3JvdGU6Cj4+IE9uIDIwMTcvMTIvMTUg MjM6NTAsIEphbWVzIE1vcnNlIHdyb3RlOgo+Pj4gKwljYXNlIEVTUl9FTHhfQUVUX1VFUjoJLyog VW5jb3JyZWN0ZWQgUmVjb3ZlcmFibGUgKi8KPj4+ICsJCS8qCj4+PiArCQkgKiBUaGUgQ1BVIGNh bid0IG1ha2UgcHJvZ3Jlc3MuIFRoZSBleGNlcHRpb24gbWF5IGhhdmUKPj4+ICsJCSAqIGJlZW4g aW1wcmVjaXNlLgo+Pj4gKwkJICovCj4+PiArCQlyZXR1cm4gdHJ1ZTsKCj4+ICAgICAgICAgRm9y IFJlY292ZXJhYmxlIGVycm9yIChVRVIpLCB0aGUgZXJyb3IgaGFzIG5vdCBiZWVuICBzaWxlbnRs eSBwcm9wYWdhdGVkLAo+PiAgICAgICAgIGFuZCBoYXMgbm90IGJlZW4gYXJjaGl0ZWN0dXJhbGx5 IGNvbnN1bWVkIGJ5IHRoZSBQRSwgYW5kCj4+ICAgICAgICAgVGhlIGV4Y2VwdGlvbiBpcyBwcmVj aXNlIGFuZCBQRSBjYW4gcmVjb3ZlciBleGVjdXRpb24gZnJvbSB0aGUgcHJlZmVycmVkIHJldHVy biBhZGRyZXNzIG9mIHRoZSBleGNlcHRpb24uCgo+PiAgICAgICAgIHNvIEkgZG8gbm90IHRoaW5r IGl0IHNob3VsZCBiZSBwYW5pYyBoZXJlIGlmIHRoZSBTRXJyb3IgY29tZSBmcm9tIHVzZXIgc3Bh Y2UgaW5zdGVhZCBvZiBjb21pbmcgZnJvbSBrZXJuZWwgc3BhY2UuCgonY29taW5nIGZyb20nIGRv ZXNuJ3QgbWVhbiBhbiBhd2Z1bCBsb3QgdW5sZXNzIHdlIGtub3cgd2hhdCB0aGUgZXJyb3IgaXMu ClRvIHJlcGVhdCB0aGUgZWFybGllciBleGFtcGxlcywgaXQgY291bGQgYmUgYSBmYXVsdCBpbiB0 aGUgcGFnZSB0YWJsZXMsIG9yIHBhZ2VzCnNoYXJlZCBiZXR3ZWVuIHByb2Nlc3NlcywgZS5nLiB0 aGUgdmRzbyBkYXRhIHBhZ2UuCgpJIGRvbid0IHdhbnQgdGhpcyBjcnVkZSBwYW5pYy9jb250aW51 ZSB0byBjb25zaWRlciBhbnl0aGluZyBvdGhlciB0aGFuIHRoZSBFU1IuCkxldHMga2VlcCBpdCBj cnVkZSwgaXRzIGEgc3RvcC1nYXA6IGJvdGgga2VybmVsLWZpcnN0IGFuZCBmaXJtd2FyZS1maXJz dCBjYW4gZG8KYSBiZXR0ZXIgam9iIC0gdGhpcyBpcyBqdXN0IHNvbWUgZ2x1ZSB0byBob2xkIHRo aW5ncyB0b2dldGhlciB1bnRpbCB3ZSBoYXZlCm9uZS9ib3RoIGltcGxlbWVudGVkLgoKClsuLi5d Cgo+IFJlY292ZXJhYmxlIGVycm9yIChVRVIpCj4gVGhlIHN0YXRlIG9mIHRoZSBQRSBpcyBSZWNv dmVyYWJsZSBpZiBhbGwgb2YgdGhlIGZvbGxvd2luZyBhcmUgdHJ1ZToKPiDigJQgVGhlIGVycm9y IGhhcyBub3QgYmVlbiBzaWxlbnRseSBwcm9wYWdhdGVkLgo+IOKAlCBUaGUgZXJyb3IgaGFzIG5v dCBiZWVuIGFyY2hpdGVjdHVyYWxseSBjb25zdW1lZCBieSB0aGUgUEUuIChUaGUgUEUgYXJjaGl0 ZWN0dXJhbCBzdGF0ZSBpcyBub3QgaW5mZWN0ZWQuKQo+IOKAlCBUaGUgZXhjZXB0aW9uIGlzIHBy ZWNpc2UgYW5kIFBFIGNhbiByZWNvdmVyIGV4ZWN1dGlvbiBmcm9tIHRoZSBwcmVmZXJyZWQgcmV0 dXJuIGFkZHJlc3Mgb2YgdGhlIGV4Y2VwdGlvbiwgaWYgc29mdHdhcmUgbG9jYXRlcyBhbmQgcmVw YWlycyB0aGUgZXJyb3IuCgoKSXQncyB0aGlzIGJpdCB0aGF0IG1hZGUgbWUgZXJyIG9uIHRoZSBz aWRlIG9mIGNhdXRpb24vcGFuaWMoKToKCj4gVGhlIFBFIGNhbm5vdCBtYWtlIGNvcnJlY3QgcHJv Z3Jlc3Mgd2l0aG91dCBlaXRoZXIgY29uc3VtaW5nIHRoZSBlcnJvciBvcgo+IG90aGVyd2lzZSBt YWtpbmcgdGhlIGVycm9yIHVucmVjb3ZlcmFibGUuIFRoZSBlcnJvciByZW1haW5zIGxhdGVudCBp biB0aGUgc3lzdGVtLgoKV2l0aG91dCBmaXJtd2FyZS1maXJzdCBvciBrZXJuZWwtZmlyc3Qgd2Ug Y2FuJ3Qga25vdyB3aGVyZSB0aGUgZXJyb3IgaXMuIFdoYXQKc2hvdWxkIHdlIGRvPzoKCj4gSWYg c29mdHdhcmUgY2Fubm90IGxvY2F0ZSBhbmQgcmVwYWlyIHRoZSBlcnJvciwgZWl0aGVyIHRoZSBh cHBsaWNhdGlvbiBvciB0aGUKPiBWTSwgb3IgYm90aCwgbXVzdCBiZSBpc29sYXRlZCBieSBzb2Z0 d2FyZS4KCgpUaGFua3MsCgpKYW1lcwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwprdm1hcm0gbWFpbGluZyBsaXN0Cmt2bWFybUBsaXN0cy5jcy5jb2x1bWJp YS5lZHUKaHR0cHM6Ly9saXN0cy5jcy5jb2x1bWJpYS5lZHUvbWFpbG1hbi9saXN0aW5mby9rdm1h cm0K