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[Xen-devel] Re: [RFC, PATCH 5/24] i386 Vmi code patching
- To: Joshua LeVasseur <jtl@xxxxxxxxxx>
- From: Chris Wright <chrisw@xxxxxxxxxxxx>
- Date: Fri, 17 Mar 2006 13:11:46 -0800
- Cc: Zachary Amsden <zach@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Pratap Subrahmanyam <pratap@xxxxxxxxxx>, Jyothy Reddy <jreddy@xxxxxxxxxx>, Wim Coekaerts <wim.coekaerts@xxxxxxxxxx>, Chris Wright <chrisw@xxxxxxxx>, Jack Lo <jlo@xxxxxxxxxx>, Dan Hecht <dhecht@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxxxx>, Christopher Li <chrisl@xxxxxxxxxx>, Virtualization Mailing List <virtualization@xxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxx>, Anne Holler <anne@xxxxxxxxxx>, Pavel Machek <pavel@xxxxxx>, Kip Macy <kmacy@xxxxxxxxxxx>, Ky Srinivasan <ksrinivasan@xxxxxxxxxx>, Leendert van Doorn <leendert@xxxxxxxxxxxxxx>, Dan Arai <arai@xxxxxxxxxx>
- Delivery-date: Mon, 20 Mar 2006 10:40:40 +0000
- List-id: Xen developer discussion <xen-devel.lists.xensource.com>
* Joshua LeVasseur (jtl@xxxxxxxxxx) wrote:
> extern "C" void
> afterburn_cpu_write_gdt32_ext( burn_clobbers_frame_t *frame )
> {
> get_cpu()->gdtr = *(dtr_t *)frame->eax;
> }
What is this get_cpu()? Accessing data structure that's avail. in ROM
and shared with hypervisor...could you elaborate a bit here?
thanks,
-chris
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