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From: Tang Liang <liang.tang@oracle.com>
To: mjg59@srcf.ucam.org, xen-devel@lists.xensource.com,
	linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
	konrad.wilk@oracle.com
Cc: liang.tang@oracle.com
Subject: [PATCH 4/5] Xen efi: Add xen efi enabled detect
Date: Thu,  9 Feb 2012 11:33:36 +0800	[thread overview]
Message-ID: <1328758416-24305-1-git-send-email-liang.tang@oracle.com> (raw)
In-Reply-To: <1328758250-23989-1-git-send-email-liang.tang@oracle.com>

We need to use hypercall to detect the xen efi enabled or not.
If xen efi enable is set,replace the efi public function to xen efi public
function and set efi_enabled to 1 in the function efi_probe;

Signed-off-by: Tang Liang <liang.tang@oracle.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 arch/x86/xen/enlighten.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 12eb07b..92982c1 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -31,6 +31,7 @@
 #include <linux/pci.h>
 #include <linux/gfp.h>
 #include <linux/memblock.h>
+#include <linux/efi.h>
 
 #include <xen/xen.h>
 #include <xen/interface/xen.h>
@@ -1282,6 +1283,8 @@ asmlinkage void __init xen_start_kernel(void)
 
 	xen_setup_runstate_info(0);
 
+	if (xen_initial_domain())
+		xen_efi_probe();
 	/* Start the world */
 #ifdef CONFIG_X86_32
 	i386_start_kernel();
-- 
1.7.7.5


  parent reply	other threads:[~2012-02-09  3:33 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-09  3:30 [PATCH 0/5] xen: patches for supporting efi Tang Liang
2012-02-09  3:32 ` [PATCH 1/5] EFI: Provide registration for efi_init.. etc efi public function Tang Liang
2012-02-09 16:01   ` Konrad Rzeszutek Wilk
2012-02-10 16:58   ` [Xen-devel] " Jan Beulich
2012-02-09  3:32 ` [PATCH 2/5] EFI: seperate get efi table info code to single function Tang Liang
2012-02-09  3:33 ` [PATCH 3/5] EFI: add efi driver for Xen efi Tang Liang
2012-02-09 19:47   ` Matthew Garrett
2012-02-10  7:24     ` liang tang
2012-02-10 13:45       ` Matthew Garrett
2012-02-10 15:49   ` [Xen-devel] " Jan Beulich
2012-02-09  3:33 ` Tang Liang [this message]
2012-02-09  3:33 ` [PATCH 5/5] Xen vga: add the xen efi video mode support Tang Liang

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