Re: DMA on stack?
Pete Zaitcev <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Organization | Red Hat, Inc. |
| Message-ID | <[email protected]> |
On Tue, 13 Nov 2007 10:09:58 -0500, Dan Williams <[email protected]> wrote: > On Tue, 2007-11-13 at 16:10 +0100, Oliver Neukum wrote: > > has anybody verified that this code: (if_usb.c::if_usb_suspend) > > libertas_prepare_and_send_command(priv, > > CMD_MESH_ACCESS, > > CMD_ACT_MESH_SET_AUTOSTART_ENABLED, > > CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); > > > > does not do DMA on the stack? > > I don't think so, no. XO uses an x86 compatible non-SMP AMD CPU, so there's no problem with DMA to stack. If they had an SMP x86_64 or ARM, they'd find this in 5 minutes. BTW, where did you find that? I'd like to have a look too due to issues with the disconnect dwmw2 mentioned the other day. Marcelo only showed me fragments. -- Pete ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel