From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takuya Yoshikawa Subject: Re: [PATCH v2 04/16] KVM: MMU: return bool in __rmap_write_protect Date: Tue, 17 Apr 2012 00:54:01 +0900 Message-ID: <20120417005401.0b9ae3a75fdc73a39f154c30@gmail.com> References: <4F87FA69.5060106@linux.vnet.ibm.com> <4F87FBC1.5010907@linux.vnet.ibm.com> <20120414110031.38450bebfe712215f01d529f@gmail.com> <4F8AB02A.9020601@redhat.com> <20120416231455.f978b3ac9fb995cfce2853ae@gmail.com> <4F8C2C90.6030703@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Xiao Guangrong , Marcelo Tosatti , LKML , KVM To: Avi Kivity Return-path: In-Reply-To: <4F8C2C90.6030703@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On Mon, 16 Apr 2012 17:28:32 +0300 Avi Kivity wrote: > > But the real question is whether there is any point in re-writing completely > > correct C code: there are tons of int like this in the kernel code. > > > > __rmap_write_protect() was introduced recently, so if this conversion is > > really worthwhile, I should have been told to use bool at that time, no? > > It's up to developer and maintainer preference. I like bool since it > documents the usage and is safer, but sometimes I miss it on review. OK. Thank you for your explanation! Takuya