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SAEximRunCond expanded to false Cc: kvm@vger.kernel.org, mst@redhat.com, Jason Wang , cohuck@redhat.com, stable@vger.kernel.org, alex.williamson@redhat.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu T24gTW9uLCAxMCBNYXkgMjAyMSAwOTozMjo1NCArMDEwMCwKIlpodSwgTGluZ3NoYW4iIDxsaW5n c2hhbi56aHVAaW50ZWwuY29tPiB3cm90ZToKPiAKPiAKPiAKPiBPbiA1LzEwLzIwMjEgMzowOSBQ TSwgWmh1LCBMaW5nc2hhbiB3cm90ZToKPiA+IAo+ID4gCj4gPiBPbiA1LzEwLzIwMjEgMTI6MzQg UE0sIEphc29uIFdhbmcgd3JvdGU6Cj4gPj4gCj4gPj4g5ZyoIDIwMjEvNS8xMCDkuIrljYgxMTow MCwgWmh1LCBMaW5nc2hhbiDlhpnpgZM6Cj4gPj4+IAo+ID4+PiAKPiA+Pj4gT24gNS8xMC8yMDIx IDEwOjQzIEFNLCBKYXNvbiBXYW5nIHdyb3RlOgo+ID4+Pj4gCj4gPj4+PiDlnKggMjAyMS81Lzgg 5LiL5Y2IMzoxMSwgWmh1IExpbmdzaGFuIOWGmemBkzoKPiA+Pj4+PiBUaGlzIHJldmVydHMgY29t bWl0IGE5NzlhNmFhMDA5ZjNjOTk2ODk0MzJlMGNkYjU0MDJhNDQ2M2ZiODguCj4gPj4+Pj4gCj4g Pj4+Pj4gVGhlIHJldmVydGVkIGNvbW1pdCBtYXkgY2F1c2UgVk0gZnJlZXplIG9uIGFybTY0IHBs YXRmb3JtLgo+ID4+Pj4+IEJlY2F1c2Ugb24gYXJtNjQgcGxhdGZvcm0sIHN0b3AgYSBjb25zdW1l ciB3aWxsIHN1c3BlbmQgdGhlIFZNLAo+ID4+Pj4+IHRoZSBWTSB3aWxsIGZyZWV6ZSB3aXRob3V0 IGEgc3RhcnQgY29uc3VtZXIKPiA+Pj4+PiAKPiA+Pj4+PiBTaWduZWQtb2ZmLWJ5OiBaaHUgTGlu Z3NoYW4gPGxpbmdzaGFuLnpodUBpbnRlbC5jb20+Cj4gPj4+PiAKPiA+Pj4+IAo+ID4+Pj4gQWNr ZWQtYnk6IEphc29uIFdhbmcgPGphc293YW5nQHJlZGhhdC5jb20+Cj4gPj4+PiAKPiA+Pj4+IFBs ZWFzZSByZXN1Ym1pdCB3aXRoIHRoZSBmb3JtYWwgcHJvY2VzcyBvZiBzdGFibGUKPiA+Pj4+IChz dGFibGUta2VybmVsLXJ1bGVzLnJzdCkuCj4gPj4+IHN1cmUsIEkgd2lsbCByZS1zdWJtaXQgaXQg dG8gc3RhYmxlIGtlcm5lbCBvbmNlIGl0IGlzIG1lcmdlZCBpbnRvCj4gPj4+IExpbnVzIHRyZWUu Cj4gPj4+IAo+ID4+PiBUaGFua3MKPiA+PiAKPiA+PiAKPiA+PiBJIHRoaW5rIGl0J3MgYmV0dGVy IHRvIHJlc3VibWl0IChvcHRpb24gMSksIHNlZSBob3cKPiA+PiBzdGFibGUta2VybmVsLXJ1bGVz LnJzdCBzYWlkOgo+ID4+IAo+ID4+ICIiCj4gPj4gCj4gPj4gOnJlZjpgb3B0aW9uXzFgIGlzICoq c3Ryb25nbHkqKiBwcmVmZXJyZWQsIGlzIHRoZSBlYXNpZXN0IGFuZCBtb3N0Cj4gPj4gY29tbW9u Lgo+ID4+IDpyZWY6YG9wdGlvbl8yYCBhbmQgOnJlZjpgb3B0aW9uXzNgIGFyZSBtb3JlIHVzZWZ1 bCBpZiB0aGUgcGF0Y2gKPiA+PiBpc24ndCBkZWVtZWQKPiA+PiB3b3J0aHkgYXQgdGhlIHRpbWUg aXQgaXMgYXBwbGllZCB0byBhIHB1YmxpYyBnaXQgdHJlZSAoZm9yCj4gPj4gaW5zdGFuY2UsIGJl Y2F1c2UKPiA+PiBpdCBkZXNlcnZlcyBtb3JlIHJlZ3Jlc3Npb24gdGVzdGluZyBmaXJzdCkuCj4g Pj4gCj4gPj4gIiIiCj4gPj4gCj4gPj4gVGhhbmtzCj4gPiBPSywgd29ya3MgZm9yIG1lLCBJIHdp bGwgYWRkIGNjIHN0YWJsZSwgYW5kIHJlc3VibWl0IGl0IHNvb24KPiA+IAo+ID4gVGhhbmtzIQo+ IEkganVzdCBzZWVNYXJjIGhhcyBhbHJlYWR5IGFkZGVkICJDYzogc3RhYmxlQHZnZXIua2VybmVs Lm9yZyIsIGFuZAo+IGhlIHdvdWxkIHRha2UgdGhlIHBhdGNoIGluIGhpcyB0cmVlLCBzbyBJIHRo aW5rIG5vIG5lZWQgdG8gcmVzZW5kLgoKVGhhdCdzIGZpbmUsIEkgY2FuIGZpeCB0aGluZ3MgdXAg bXlzZWxmIGFuZCBxdWV1ZSB0aGUgZml4IGZvciAtcmMyLgoKVGhhbmtzLAoKCU0uCgotLSAKV2l0 aG91dCBkZXZpYXRpb24gZnJvbSB0aGUgbm9ybSwgcHJvZ3Jlc3MgaXMgbm90IHBvc3NpYmxlLgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwprdm1hcm0gbWFp bGluZyBsaXN0Cmt2bWFybUBsaXN0cy5jcy5jb2x1bWJpYS5lZHUKaHR0cHM6Ly9saXN0cy5jcy5j b2x1bWJpYS5lZHUvbWFpbG1hbi9saXN0aW5mby9rdm1hcm0K From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB016C433ED for ; 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Mon, 10 May 2021 11:00:03 +0100 Date: Mon, 10 May 2021 11:00:02 +0100 Message-ID: <87wns6oqn1.wl-maz@kernel.org> From: Marc Zyngier To: "Zhu, Lingshan" Cc: Jason Wang , mst@redhat.com, alex.williamson@redhat.com, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, cohuck@redhat.com, stable@vger.kernel.org Subject: Re: [PATCH] Revert "irqbypass: do not start cons/prod when failed connect" In-Reply-To: References: <20210508071152.722425-1-lingshan.zhu@intel.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: lingshan.zhu@intel.com, jasowang@redhat.com, mst@redhat.com, alex.williamson@redhat.com, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, cohuck@redhat.com, stable@vger.kernel.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-20210510_030006_460549_D11C73BD X-CRM114-Status: GOOD ( 23.41 ) 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 T24gTW9uLCAxMCBNYXkgMjAyMSAwOTozMjo1NCArMDEwMCwKIlpodSwgTGluZ3NoYW4iIDxsaW5n c2hhbi56aHVAaW50ZWwuY29tPiB3cm90ZToKPiAKPiAKPiAKPiBPbiA1LzEwLzIwMjEgMzowOSBQ TSwgWmh1LCBMaW5nc2hhbiB3cm90ZToKPiA+IAo+ID4gCj4gPiBPbiA1LzEwLzIwMjEgMTI6MzQg UE0sIEphc29uIFdhbmcgd3JvdGU6Cj4gPj4gCj4gPj4g5ZyoIDIwMjEvNS8xMCDkuIrljYgxMTow MCwgWmh1LCBMaW5nc2hhbiDlhpnpgZM6Cj4gPj4+IAo+ID4+PiAKPiA+Pj4gT24gNS8xMC8yMDIx IDEwOjQzIEFNLCBKYXNvbiBXYW5nIHdyb3RlOgo+ID4+Pj4gCj4gPj4+PiDlnKggMjAyMS81Lzgg 5LiL5Y2IMzoxMSwgWmh1IExpbmdzaGFuIOWGmemBkzoKPiA+Pj4+PiBUaGlzIHJldmVydHMgY29t bWl0IGE5NzlhNmFhMDA5ZjNjOTk2ODk0MzJlMGNkYjU0MDJhNDQ2M2ZiODguCj4gPj4+Pj4gCj4g Pj4+Pj4gVGhlIHJldmVydGVkIGNvbW1pdCBtYXkgY2F1c2UgVk0gZnJlZXplIG9uIGFybTY0IHBs YXRmb3JtLgo+ID4+Pj4+IEJlY2F1c2Ugb24gYXJtNjQgcGxhdGZvcm0sIHN0b3AgYSBjb25zdW1l ciB3aWxsIHN1c3BlbmQgdGhlIFZNLAo+ID4+Pj4+IHRoZSBWTSB3aWxsIGZyZWV6ZSB3aXRob3V0 IGEgc3RhcnQgY29uc3VtZXIKPiA+Pj4+PiAKPiA+Pj4+PiBTaWduZWQtb2ZmLWJ5OiBaaHUgTGlu Z3NoYW4gPGxpbmdzaGFuLnpodUBpbnRlbC5jb20+Cj4gPj4+PiAKPiA+Pj4+IAo+ID4+Pj4gQWNr ZWQtYnk6IEphc29uIFdhbmcgPGphc293YW5nQHJlZGhhdC5jb20+Cj4gPj4+PiAKPiA+Pj4+IFBs ZWFzZSByZXN1Ym1pdCB3aXRoIHRoZSBmb3JtYWwgcHJvY2VzcyBvZiBzdGFibGUKPiA+Pj4+IChz dGFibGUta2VybmVsLXJ1bGVzLnJzdCkuCj4gPj4+IHN1cmUsIEkgd2lsbCByZS1zdWJtaXQgaXQg dG8gc3RhYmxlIGtlcm5lbCBvbmNlIGl0IGlzIG1lcmdlZCBpbnRvCj4gPj4+IExpbnVzIHRyZWUu Cj4gPj4+IAo+ID4+PiBUaGFua3MKPiA+PiAKPiA+PiAKPiA+PiBJIHRoaW5rIGl0J3MgYmV0dGVy IHRvIHJlc3VibWl0IChvcHRpb24gMSksIHNlZSBob3cKPiA+PiBzdGFibGUta2VybmVsLXJ1bGVz LnJzdCBzYWlkOgo+ID4+IAo+ID4+ICIiCj4gPj4gCj4gPj4gOnJlZjpgb3B0aW9uXzFgIGlzICoq c3Ryb25nbHkqKiBwcmVmZXJyZWQsIGlzIHRoZSBlYXNpZXN0IGFuZCBtb3N0Cj4gPj4gY29tbW9u Lgo+ID4+IDpyZWY6YG9wdGlvbl8yYCBhbmQgOnJlZjpgb3B0aW9uXzNgIGFyZSBtb3JlIHVzZWZ1 bCBpZiB0aGUgcGF0Y2gKPiA+PiBpc24ndCBkZWVtZWQKPiA+PiB3b3J0aHkgYXQgdGhlIHRpbWUg aXQgaXMgYXBwbGllZCB0byBhIHB1YmxpYyBnaXQgdHJlZSAoZm9yCj4gPj4gaW5zdGFuY2UsIGJl Y2F1c2UKPiA+PiBpdCBkZXNlcnZlcyBtb3JlIHJlZ3Jlc3Npb24gdGVzdGluZyBmaXJzdCkuCj4g Pj4gCj4gPj4gIiIiCj4gPj4gCj4gPj4gVGhhbmtzCj4gPiBPSywgd29ya3MgZm9yIG1lLCBJIHdp bGwgYWRkIGNjIHN0YWJsZSwgYW5kIHJlc3VibWl0IGl0IHNvb24KPiA+IAo+ID4gVGhhbmtzIQo+ IEkganVzdCBzZWVNYXJjIGhhcyBhbHJlYWR5IGFkZGVkICJDYzogc3RhYmxlQHZnZXIua2VybmVs Lm9yZyIsIGFuZAo+IGhlIHdvdWxkIHRha2UgdGhlIHBhdGNoIGluIGhpcyB0cmVlLCBzbyBJIHRo aW5rIG5vIG5lZWQgdG8gcmVzZW5kLgoKVGhhdCdzIGZpbmUsIEkgY2FuIGZpeCB0aGluZ3MgdXAg bXlzZWxmIGFuZCBxdWV1ZSB0aGUgZml4IGZvciAtcmMyLgoKVGhhbmtzLAoKCU0uCgotLSAKV2l0 aG91dCBkZXZpYXRpb24gZnJvbSB0aGUgbm9ybSwgcHJvZ3Jlc3MgaXMgbm90IHBvc3NpYmxlLgoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJt LWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3Jn Cmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtl cm5lbAo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DC6BC43462 for ; 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Mon, 10 May 2021 11:00:03 +0100 Date: Mon, 10 May 2021 11:00:02 +0100 Message-ID: <87wns6oqn1.wl-maz@kernel.org> From: Marc Zyngier To: "Zhu, Lingshan" Cc: Jason Wang , mst@redhat.com, alex.williamson@redhat.com, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, cohuck@redhat.com, stable@vger.kernel.org Subject: Re: [PATCH] Revert "irqbypass: do not start cons/prod when failed connect" In-Reply-To: References: <20210508071152.722425-1-lingshan.zhu@intel.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: lingshan.zhu@intel.com, jasowang@redhat.com, mst@redhat.com, alex.williamson@redhat.com, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, cohuck@redhat.com, stable@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, 10 May 2021 09:32:54 +0100, "Zhu, Lingshan" wrote: > > > > On 5/10/2021 3:09 PM, Zhu, Lingshan wrote: > > > > > > On 5/10/2021 12:34 PM, Jason Wang wrote: > >> > >> 在 2021/5/10 上午11:00, Zhu, Lingshan 写道: > >>> > >>> > >>> On 5/10/2021 10:43 AM, Jason Wang wrote: > >>>> > >>>> 在 2021/5/8 下午3:11, Zhu Lingshan 写道: > >>>>> This reverts commit a979a6aa009f3c99689432e0cdb5402a4463fb88. > >>>>> > >>>>> The reverted commit may cause VM freeze on arm64 platform. > >>>>> Because on arm64 platform, stop a consumer will suspend the VM, > >>>>> the VM will freeze without a start consumer > >>>>> > >>>>> Signed-off-by: Zhu Lingshan > >>>> > >>>> > >>>> Acked-by: Jason Wang > >>>> > >>>> Please resubmit with the formal process of stable > >>>> (stable-kernel-rules.rst). > >>> sure, I will re-submit it to stable kernel once it is merged into > >>> Linus tree. > >>> > >>> Thanks > >> > >> > >> I think it's better to resubmit (option 1), see how > >> stable-kernel-rules.rst said: > >> > >> "" > >> > >> :ref:`option_1` is **strongly** preferred, is the easiest and most > >> common. > >> :ref:`option_2` and :ref:`option_3` are more useful if the patch > >> isn't deemed > >> worthy at the time it is applied to a public git tree (for > >> instance, because > >> it deserves more regression testing first). > >> > >> """ > >> > >> Thanks > > OK, works for me, I will add cc stable, and resubmit it soon > > > > Thanks! > I just seeMarc has already added "Cc: stable@vger.kernel.org", and > he would take the patch in his tree, so I think no need to resend. That's fine, I can fix things up myself and queue the fix for -rc2. Thanks, M. -- Without deviation from the norm, progress is not possible.