From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugeniy Paltsev Subject: Patch "asm-generic/bitops/lock.h: Rewrite using atomic_fetch_" causes kernel crash Date: Wed, 29 Aug 2018 18:33:53 +0000 Message-ID: <1535567633.4465.23.camel@synopsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Language: en-US Content-ID: Sender: linux-kernel-owner@vger.kernel.org To: "linux-kernel@vger.kernel.org" , "will.deacon@arm.com" Cc: "mingo@kernel.org" , "peterz@infradead.org" , "tglx@linutronix.de" , "linux-snps-arc@lists.infradead.org" , Alexey Brodkin , "yamada.masahiro@socionext.com" , "linux-arm-kernel@lists.infradead.org" , Vineet Gupta , "linux-arch@vger.kernel.org" List-Id: linux-arch.vger.kernel.org SGkgR3V5cywNClNpbmNlIHY0LjE5LXJjMSB3ZSBhcmUgZ2V0dGluZyBhIHNlcmlvdXMgcmVncmVz c2lvbiBvbiBwbGF0Zm9ybXMgd2l0aCBBUkMgYXJjaGl0ZWN0dXJlLg0KVGhlIGtlcm5lbCBoYXZl IGJlY29tZSB1bnN0YWJsZSBhbmQgc3BvbnRhbmVvdXNseSBjcmFzaGVzIG9uIExUUCB0ZXN0cyBl eGVjdXRpb24gLyBJTyB0ZXN0cyBvcg0KZXZlbiBvbiBib290Lg0KDQpJIGRvbid0IGtub3cgZXhh Y3RseSB3aGF0IGJyZWFrcyBidXQgYmlzZWN0IGNsZWFybHkgYXNzaWduIHRoZSBibGFtZSB0byB0 aGlzIGNvbW1pdDoNCjg0YzY1OTExMDNkYiAoImxvY2tpbmcvYXRvbWljcywgYXNtLWdlbmVyaWMv Yml0b3BzL2xvY2suaDogUmV3cml0ZSB1c2luZyBhdG9taWNfZmV0Y2hfKigpIikNCmh0dHBzOi8v Z2l0aHViLmNvbS90b3J2YWxkcy9saW51eC9jb21taXQvODRjNjU5MTEwM2RiZWFmMzkzYTA5MmEz ZmM3YjA5NTEwODI1ZjZiOQ0KDQpSZXZlcnRpbmcgdGhlIGNvbW1pdCBzb2x2ZXMgdGhpcyBwcm9i bGVtLg0KDQpJIHRlc3RlZCB2NC4xOS1yYzEgb24gQVJNICh3YW5kYm9hcmQsIGkubXg2LCAzMmJp dCwgcXVhcmQgY29yZSwgQVJNdjcpIHdoaWNoIHVzZXMgc2FtZQ0KZ2VuZXJpYyBiaXRvcHMgaW1w bGVtZW50YXRpb24gYW5kIGl0IHdvcmtzIGZpbmUuDQoNCkRvIHlvdSBoYXZlIGFueSBpZGVhcyB3 aGF0IHdlbnQgd3Jvbmc/DQotLSANCiBFdWdlbml5IFBhbHRzZXY= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtprelay2.synopsys.com ([198.182.60.111]:47320 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727657AbeH2WcH (ORCPT ); Wed, 29 Aug 2018 18:32:07 -0400 From: Eugeniy Paltsev Subject: Patch "asm-generic/bitops/lock.h: Rewrite using atomic_fetch_" causes kernel crash Date: Wed, 29 Aug 2018 18:33:53 +0000 Message-ID: <1535567633.4465.23.camel@synopsys.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-arch-owner@vger.kernel.org List-ID: To: "linux-kernel@vger.kernel.org" , "will.deacon@arm.com" Cc: "mingo@kernel.org" , "peterz@infradead.org" , "tglx@linutronix.de" , "linux-snps-arc@lists.infradead.org" , Alexey Brodkin , "yamada.masahiro@socionext.com" , "linux-arm-kernel@lists.infradead.org" , Vineet Gupta , "linux-arch@vger.kernel.org" Message-ID: <20180829183353.Tq1t0y7CvEiBVXk_zZm76hRvyBS0634Qv47uFwczE1o@z> SGkgR3V5cywNClNpbmNlIHY0LjE5LXJjMSB3ZSBhcmUgZ2V0dGluZyBhIHNlcmlvdXMgcmVncmVz c2lvbiBvbiBwbGF0Zm9ybXMgd2l0aCBBUkMgYXJjaGl0ZWN0dXJlLg0KVGhlIGtlcm5lbCBoYXZl IGJlY29tZSB1bnN0YWJsZSBhbmQgc3BvbnRhbmVvdXNseSBjcmFzaGVzIG9uIExUUCB0ZXN0cyBl eGVjdXRpb24gLyBJTyB0ZXN0cyBvcg0KZXZlbiBvbiBib290Lg0KDQpJIGRvbid0IGtub3cgZXhh Y3RseSB3aGF0IGJyZWFrcyBidXQgYmlzZWN0IGNsZWFybHkgYXNzaWduIHRoZSBibGFtZSB0byB0 aGlzIGNvbW1pdDoNCjg0YzY1OTExMDNkYiAoImxvY2tpbmcvYXRvbWljcywgYXNtLWdlbmVyaWMv Yml0b3BzL2xvY2suaDogUmV3cml0ZSB1c2luZyBhdG9taWNfZmV0Y2hfKigpIikNCmh0dHBzOi8v Z2l0aHViLmNvbS90b3J2YWxkcy9saW51eC9jb21taXQvODRjNjU5MTEwM2RiZWFmMzkzYTA5MmEz ZmM3YjA5NTEwODI1ZjZiOQ0KDQpSZXZlcnRpbmcgdGhlIGNvbW1pdCBzb2x2ZXMgdGhpcyBwcm9i bGVtLg0KDQpJIHRlc3RlZCB2NC4xOS1yYzEgb24gQVJNICh3YW5kYm9hcmQsIGkubXg2LCAzMmJp dCwgcXVhcmQgY29yZSwgQVJNdjcpIHdoaWNoIHVzZXMgc2FtZQ0KZ2VuZXJpYyBiaXRvcHMgaW1w bGVtZW50YXRpb24gYW5kIGl0IHdvcmtzIGZpbmUuDQoNCkRvIHlvdSBoYXZlIGFueSBpZGVhcyB3 aGF0IHdlbnQgd3Jvbmc/DQotLSANCiBFdWdlbml5IFBhbHRzZXY=