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[Xen-devel] Re: [RFC PATCH 18/35] Support gdt/idt/ldt handling on Xen.

To: Christian Limpach <Christian.Limpach@xxxxxxxxxxxx>
Subject: [Xen-devel] Re: [RFC PATCH 18/35] Support gdt/idt/ldt handling on Xen.
From: Martin Bligh <mbligh@xxxxxxxxxx>
Date: Tue, 09 May 2006 11:21:24 -0700
Cc: Chris Wright <chrisw@xxxxxxxxxxxx>, virtualization@xxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Ian Pratt <ian.pratt@xxxxxxxxxxxxx>
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Christian Limpach wrote:
On Tue, May 09, 2006 at 07:49:54AM -0700, Martin J. Bligh wrote:

+static inline void load_TLS(struct thread_struct *t, unsigned int cpu)
+#define C(i) HYPERVISOR_update_descriptor(virt_to_machine(&get_cpu_gdt_table(cpu)[GDT_ENTRY_TLS_MIN + i]), *(u64 *)&t->tls_array[i])
+       C(0); C(1); C(2);
+#undef C

Please just expand this or make it a real function call (static inline),
not a temporary macro ..

Yes, I've added an inline function to do a single descriptor.

Should I change the non-xen case as well?  It was the inspiration
for this code ;-)

If it looks anything like that, then I'd vote yes ;-)


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