From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Senozhatsky Date: Thu, 19 Jul 2018 10:05:26 +0000 Subject: Re: [PATCH v2 1/1] fbdev/core: Disable console-lock warnings when fb.lockless_register_fb is set Message-Id: <20180719100526.GB424@jagdpanzerIV> List-Id: References: <20180718093002.4596-1-tzimmermann@suse.de> <20180718093002.4596-2-tzimmermann@suse.de> <20180719085303.mkxu7i7zl4suybcz@pathway.suse.cz> In-Reply-To: <20180719085303.mkxu7i7zl4suybcz@pathway.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Petr Mladek Cc: linux-fbdev@vger.kernel.org, sergey.senozhatsky.work@gmail.com, b.zolnierkie@samsung.com, dri-devel@lists.freedesktop.org, sergey.senozhatsky@gmail.com, hdegoede@redhat.com, rostedt@goodmis.org, Thomas Zimmermann , akpm@linux-foundation.org On (07/19/18 10:53), Petr Mladek wrote: > Hmm, this approach is racy if there are other users > saving/setting/restoring ignore_console_lock_warning in parallel. > I mean that this works only when the entire safe/set/restore > operation is nested or sequential. Good point! However, I tend to think that we don't need to care about it that much. Having a counter to permit nesting would probably be better, but, like you said, it's unlikely that we will see any problems with ignore_console_lock_warning anyway. So we can keep it simple [IOW - the way it is]. -ss From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Senozhatsky Subject: Re: [PATCH v2 1/1] fbdev/core: Disable console-lock warnings when fb.lockless_register_fb is set Date: Thu, 19 Jul 2018 19:05:26 +0900 Message-ID: <20180719100526.GB424@jagdpanzerIV> References: <20180718093002.4596-1-tzimmermann@suse.de> <20180718093002.4596-2-tzimmermann@suse.de> <20180719085303.mkxu7i7zl4suybcz@pathway.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-pf0-x242.google.com (mail-pf0-x242.google.com [IPv6:2607:f8b0:400e:c00::242]) by gabe.freedesktop.org (Postfix) with ESMTPS id 85FA16E002 for ; Thu, 19 Jul 2018 10:05:31 +0000 (UTC) Received: by mail-pf0-x242.google.com with SMTP id k19-v6so3686954pfi.1 for ; Thu, 19 Jul 2018 03:05:31 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20180719085303.mkxu7i7zl4suybcz@pathway.suse.cz> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Petr Mladek Cc: linux-fbdev@vger.kernel.org, sergey.senozhatsky.work@gmail.com, b.zolnierkie@samsung.com, dri-devel@lists.freedesktop.org, sergey.senozhatsky@gmail.com, hdegoede@redhat.com, rostedt@goodmis.org, Thomas Zimmermann , akpm@linux-foundation.org List-Id: dri-devel@lists.freedesktop.org T24gKDA3LzE5LzE4IDEwOjUzKSwgUGV0ciBNbGFkZWsgd3JvdGU6Cj4gSG1tLCB0aGlzIGFwcHJv YWNoIGlzIHJhY3kgaWYgdGhlcmUgYXJlIG90aGVyIHVzZXJzCj4gc2F2aW5nL3NldHRpbmcvcmVz dG9yaW5nIGlnbm9yZV9jb25zb2xlX2xvY2tfd2FybmluZyBpbiBwYXJhbGxlbC4KPiBJIG1lYW4g dGhhdCB0aGlzIHdvcmtzIG9ubHkgd2hlbiB0aGUgZW50aXJlIHNhZmUvc2V0L3Jlc3RvcmUKPiBv cGVyYXRpb24gaXMgbmVzdGVkIG9yIHNlcXVlbnRpYWwuCgpHb29kIHBvaW50IQoKSG93ZXZlciwg SSB0ZW5kIHRvIHRoaW5rIHRoYXQgd2UgZG9uJ3QgbmVlZCB0byBjYXJlIGFib3V0IGl0CnRoYXQg bXVjaC4gSGF2aW5nIGEgY291bnRlciB0byBwZXJtaXQgbmVzdGluZyB3b3VsZCBwcm9iYWJseSBi ZQpiZXR0ZXIsIGJ1dCwgbGlrZSB5b3Ugc2FpZCwgaXQncyB1bmxpa2VseSB0aGF0IHdlIHdpbGwg c2VlIGFueQpwcm9ibGVtcyB3aXRoIGlnbm9yZV9jb25zb2xlX2xvY2tfd2FybmluZyBhbnl3YXku IFNvIHdlIGNhbiBrZWVwCml0IHNpbXBsZSBbSU9XIC0gdGhlIHdheSBpdCBpc10uCgoJLXNzCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBt YWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=