| To: | Hollis Blanchard <hollisb@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: [Xen-changelog] [linux-2.6.18-xen] Add "#ifdef ARCH_HAS_DEV_MEM" to archtecture specific file_operations. |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | 2007年7月09日 20:26:36 +0100 |
| Cc: | Jun Kamada <kama@xxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, xen-ppc-devel <xen-ppc-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | 2007年7月09日 12:21:22 -0700 |
| Envelope-to: | www-data@xxxxxxxxxxxxxxxxxx |
| In-reply-to: | <1184008821.26508.56.camel@basalt > |
| List-help: | <mailto:xen-devel-request@lists.xensource.com?subject=help> |
| List-id: | Xen developer discussion <xen-devel.lists.xensource.com> |
| List-post: | <mailto:xen-devel@lists.xensource.com> |
| List-subscribe: | <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe> |
| List-unsubscribe: | <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe> |
| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| Thread-index: | AcfCXxCgTyvXfC5SEdynZwAWy6hiGQ== |
| Thread-topic: | [Xen-devel] Re: [Xen-changelog] [linux-2.6.18-xen] Add "#ifdef ARCH_HAS_DEV_MEM" to archtecture specific file_operations. |
| User-agent: | Microsoft-Entourage/11.3.3.061214 |
On 9/7/07 20:20, "Hollis Blanchard" <hollisb@xxxxxxxxxx> wrote: >> By the way, I wonder how PPC manages to build both drivers/char/mem.c and >> drivers/xen/char/mem.c without ARCH_HAS_DEV_MEM? The model is supposed to be >> that mem_fops defined by the Xen file is picked up by the generic file. If >> !ARCH_HAS_DEV_MEM then that doesn't happen -- so who picks up the Xen >> mem_fops? > > Hmmm, yeah. Looks like we haven't tested that... :) If you don't need to build both then there is potentially no problem with the Xen file hijacking the xlate_dev_mem() functions. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
| Previous by Date: | Re: [Xen-devel] Re: [Xen-changelog] [linux-2.6.18-xen] Add "#ifdef ARCH_HAS_DEV_MEM" to archtecture specific file_operations. , Hollis Blanchard |
|---|---|
| Next by Date: | Re: [Xen-devel] Question regarding SLAB corruption , Keir Fraser |
| Previous by Thread: | Re: [Xen-devel] Re: [Xen-changelog] [linux-2.6.18-xen] Add "#ifdef ARCH_HAS_DEV_MEM" to archtecture specific file_operations. , Hollis Blanchard |
| Next by Thread: | Re: [Xen-devel] Re: [Xen-changelog] [linux-2.6.18-xen] Add "#ifdef ARCH_HAS_DEV_MEM" to archtecture specific file_operations. , Hollis Blanchard |
| Indexes: | [Date] [Thread] [Top] [All Lists] |