From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from us-smtp-2.mimecast.com ([205.139.110.61] helo=us-smtp-delivery-1.mimecast.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jqvkn-0003ik-Mr for kexec@lists.infradead.org; Thu, 02 Jul 2020 09:43:38 +0000 Subject: Re: [PATCH v3 3/3] printk: use the lockless ringbuffer References: <20200618144919.9806-1-john.ogness@linutronix.de> <20200618144919.9806-4-john.ogness@linutronix.de> <87zh8imgs5.fsf@jogness.linutronix.de> From: lijiang Message-ID: <585a6a1b-931c-1034-e2cc-da2c4381751e@redhat.com> Date: Thu, 2 Jul 2020 17:43:22 +0800 MIME-Version: 1.0 In-Reply-To: <87zh8imgs5.fsf@jogness.linutronix.de> Content-Language: en-US List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: John Ogness , Petr Mladek Cc: Andrea Parri , Sergey Senozhatsky , Paul McKenney , Peter Zijlstra , Greg Kroah-Hartman , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Steven Rostedt , Sergey Senozhatsky , Thomas Gleixner , Linus Torvalds 5ZyoIDIwMjDlubQwN+aciDAy5pelIDE3OjAyLCBKb2huIE9nbmVzcyDlhpnpgZM6Cj4gT24gMjAy MC0wNy0wMiwgbGlqaWFuZyA8bGlqaWFuZ0ByZWRoYXQuY29tPiB3cm90ZToKPj4gQWJvdXQgdGhl IFZNQ09SRUlORk8gcGFydCwgSSBtYWRlIHNvbWUgdGVzdHMgYmFzZWQgb24gdGhlIGtlcm5lbCBw YXRjaAo+PiB2MywgdGhlIG1ha2VkdW1wZmlsZSBhbmQgY3Jhc2gtdXRpbGl0eSBjYW4gd29yayBh cyBleHBlY3RlZCB3aXRoIHlvdXIKPj4gcGF0Y2godXNlcnNwYWNlIHBhdGNoKSwgYnV0LCB1bmZv cnR1bmF0ZWx5LCB0aGUgdm1jb3JlLWRtZXNnKGtleGVjLXRvb2xzKQo+PiBjYW4ndCBjb3JyZWN0 bHkgcmVhZCB0aGUgcHJpbnRrIHJpbmcgYnVmZmVyIGluZm9ybWF0aW9uLCBhbmQgZ2V0IHRoZQo+ PiBmb2xsb3dpbmcgZXJyb3I6Cj4+Cj4+ICJNaXNzaW5nIHRoZSBsb2dfYnVmIHN5bWJvbCIKPj4K Pj4gVGhlIGtleGVjLXRvb2xzKHZtY29yZS1kbWVzZykgc2hvdWxkIGFsc28gaGF2ZSBhIHNpbWls YXIgcGF0Y2gsIGp1c3QgbGlrZQo+PiBpbiB0aGUgbWFrZWR1bXBmaWxlIGFuZCBjcmFzaC11dGls aXR5Lgo+IAo+IFllcywgYSBwYXRjaCBmb3IgdGhpcyBpcyBuZWVkZWQgKGFzIHdlbGwgYXMgZm9y IGFueSBvdGhlciByZWxhdGVkCj4gc29mdHdhcmUgZmxvYXRpbmcgYXJvdW5kIHRoZSBpbnRlcm5l dCkuCj4gCj4gSSBoYXZlIG5vIFJGQyBwYXRjaGVzIGZvciB2bWNvcmUtZG1lc2cuIExvb2tpbmcg YXQgdGhlIGNvZGUsIEkgdGhpbmsgaXQKPiB3b3VsZCBiZSBxdWl0ZSBzdHJhaWdodCBmb3J3YXJk IHRvIHBvcnQgdGhlIG1ha2VkdW1wZmlsZSBwYXRjaC4gSSB3aWxsCgpZZXMsIGl0IHNob3VsZCBi ZSBhIHNpbWlsYXIgcGF0Y2guCgo+IHRyeSB0byBtYWtlIHNvbWUgdGltZSBmb3IgdGhpcy4KPiAK VGhhdCB3b3VsZCBiZSBuaWNlLiBUaGFuayB5b3UsIEpvaG4gT2duZXNzLgoKPiBJIGRvIG5vdCB3 YW50IHRvIHBhdGNoIGFueSBvdGhlciBzb2Z0d2FyZSBmb3IgdGhpcy4gSSB0aGluayB3aXRoIDMK PiBleGFtcGxlcyAoY3Jhc2gsIG1ha2VkdW1wZmlsZSwgdm1jb3JlLWRtZXNnKSwgb3RoZXJzIHNo b3VsZCBiZSBhYmxlIHRvCgpJdCdzIGdvb2QgZW5vdWdoIHRvIGhhdmUgdGhlIHBhdGNoIGZvciB0 aGUgbWFrZWR1bXBmaWxlLCBjcmFzaCBhbmQgdm1jb3JlLWRtZXNnLAp3aGljaCBjYW4gZW5zdXJl IHRoZSBrZHVtcCh1c2Vyc3BhY2UpIHdvcmsgd2VsbC4KClRoYW5rcy4KTGlhbmJvCgo+IGltcGxl bWVudCB0aGUgY2hhbmdlcyB0byB0aGVpciBzb2Z0d2FyZSB3aXRob3V0IG5lZWRpbmcgbXkgaGVs cC4KPiAKPiBKb2huIE9nbmVzcwo+IAoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCmtleGVjIG1haWxpbmcgbGlzdAprZXhlY0BsaXN0cy5pbmZyYWRlYWQu b3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8va2V4ZWMK