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[PATCH 10/16] export cpu_gdt_descr

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From: Glauber de Oliveira Costa <gcosta@...>
To: <linux-kernel@...>
Cc: <akpm@...>, <rusty@...>, <ak@...>, <mingo@...>, <chrisw@...>, <jeremy@...>, <avi@...>, <anthony@...>, <virtualization@...>, <lguest@...>, <kvm-devel@...>, <zach@...>, <tglx@...>, <jun.nakajima@...>, <glommer@...>, Glauber de Oliveira Costa <gcosta@...>, Steven Rostedt <rostedt@...>
Subject: [PATCH 10/16] export cpu_gdt_descr
Date: Wednesday, October 31, 2007 - 3:14 pm

With paravirualization, hypervisors needs to handle the gdt,
that was right to this point only used at very early
inialization code. Hypervisors (lguest being the current case)
are commonly modules, so make it an export

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Jeremy Fitzhardinge <jeremy@xensource.com>
---
 arch/x86/kernel/x8664_ksyms_64.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c
index 77c25b3..a005d67 100644
--- a/arch/x86/kernel/x8664_ksyms_64.c
+++ b/arch/x86/kernel/x8664_ksyms_64.c
@@ -8,6 +8,7 @@
 #include <asm/processor.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
+#include <asm/desc.h>
 
 EXPORT_SYMBOL(kernel_thread);
 
@@ -60,3 +61,8 @@ EXPORT_SYMBOL(init_level4_pgt);
 EXPORT_SYMBOL(load_gs_index);
 
 EXPORT_SYMBOL(_proxy_pda);
+
+#ifdef CONFIG_PARAVIRT
+/* Virtualized guests may want to use it */
+EXPORT_SYMBOL_GPL(cpu_gdt_descr);
+#endif
-- 
1.4.4.2

-
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Messages in current thread:
[PATCH 0/7] (Re-)introducing pvops for x86_64 - Real pvops w..., Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 1/16] Wipe out traditional opt from x86_64 Makefile, Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 2/16] paravirt hooks at entry functions., Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 3/16] read/write_crX, clts and wbinvd for 64-bit para..., Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
Re: [PATCH 3/16] read/write_crX, clts and wbinvd for 64-bit ..., Jeremy Fitzhardinge, (Thu Nov 1, 12:48 am)
Re: [PATCH 3/16] read/write_crX, clts and wbinvd for 64-bit ..., Glauber de Oliveira Costa..., (Thu Nov 1, 9:48 am)
Re: [PATCH 3/16] read/write_crX, clts and wbinvd for 64-bit ..., Jeremy Fitzhardinge, (Thu Nov 1, 11:30 am)
Re: [PATCH 3/16] read/write_crX, clts and wbinvd for 64-bit ..., Keir Fraser, (Thu Nov 1, 12:07 pm)
Re: [PATCH 3/16] read/write_crX, clts and wbinvd for 64-bit ..., Jeremy Fitzhardinge, (Thu Nov 1, 1:41 pm)
Re: [Lguest] [PATCH 3/16] read/write_crX, clts and wbinvd fo..., Zachary Amsden, (Thu Nov 1, 12:55 pm)
Re: [Lguest] [PATCH 3/16] read/write_crX, clts and wbinvd fo..., Jeremy Fitzhardinge, (Thu Nov 1, 9:21 pm)
Re: [PATCH 3/16] read/write_crX, clts and wbinvd for 64-bit ..., Glauber de Oliveira Costa..., (Thu Nov 1, 12:13 pm)
[PATCH 4/16] provide native irq initialization function, Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 5/16] report ring kernel is running without paravirt, Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 6/16] export math_state_restore, Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 7/16] native versions for set pagetables, Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 8/16] add native functions for descriptors handling, Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 9/16] This patch add provisions for time related func..., Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 10/16] export cpu_gdt_descr, Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 11/16] turn priviled operation into a macro in head_6..., Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
Re: [PATCH 11/16] turn priviled operation into a macro in he..., Jeremy Fitzhardinge, (Thu Nov 1, 12:50 am)
Re: [PATCH 11/16] turn priviled operation into a macro in he..., Glauber de Oliveira Costa..., (Thu Nov 1, 9:50 am)
[PATCH 12/16] tweak io_64.h for paravirt., Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 13/16] native versions for page table entries values, Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 14/16] prepare x86_64 architecture initialization for..., Glauber de Oliveira Costa..., (Wed Oct 31, 3:14 pm)
[PATCH 15/16] consolidation of paravirt for 32 and 64 bits, Glauber de Oliveira Costa..., (Wed Oct 31, 3:15 pm)
[PATCH 16/16] make vsmp a paravirt client, Glauber de Oliveira Costa..., (Wed Oct 31, 3:15 pm)
Re: [PATCH 16/16] make vsmp a paravirt client, Jeremy Fitzhardinge, (Thu Nov 1, 12:38 am)