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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, virtualization@lists.osdl.org,
xen-devel@lists.xensource.com, Gerd Hoffmann <kraxel@suse.de>
Subject: [patch 02/20] XEN-paravirt: Add a flag to allow the VGA console to be disabled
Date: Fri, 12 Jan 2007 17:45:41 -0800 [thread overview]
Message-ID: <20070113014647.240188180@goop.org> (raw)
In-Reply-To: <20070113014539.408244126@goop.org>
[-- Attachment #1: vgacon-enable-flag.patch --]
[-- Type: text/plain, Size: 1374 bytes --]
Add a flag to allow the VGA console to be disabled. The VGA code will
spin forever if there isn't any real VGA hardware, which will happen
under Xen.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Gerd Hoffmann <kraxel@suse.de>
Cc: Andrew Morton <akpm@osdl.org>
===================================================================
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -71,6 +71,9 @@ unsigned long init_pg_tables_end __initd
int disable_pse __devinitdata = 0;
+/* use to runtime disable vga_con */
+int vgacon_enabled = 1;
+
/*
* Machine setup..
*/
@@ -652,7 +655,7 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_VT
#if defined(CONFIG_VGA_CONSOLE)
- if (!efi_enabled || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
+ if (vgacon_enabled && (!efi_enabled || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY)))
conswitchp = &vga_con;
#elif defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con;
===================================================================
--- a/include/asm-i386/setup.h
+++ b/include/asm-i386/setup.h
@@ -77,6 +77,8 @@ void __init add_memory_region(unsigned l
void __init add_memory_region(unsigned long long start,
unsigned long long size, int type);
+extern int vgacon_enabled;
+
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
--
next prev parent reply other threads:[~2007-01-13 23:10 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-13 1:45 [patch 00/20] XEN-paravirt: Xen guest implementation for paravirt_ops interface Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 01/20] XEN-paravirt: Fix typo in sync_constant_test_bit()s name Jeremy Fitzhardinge
2007-01-13 1:45 ` Jeremy Fitzhardinge [this message]
2007-01-14 0:27 ` [Xen-devel] [patch 02/20] XEN-paravirt: Add a flag to allow the VGA console to be disabled Alan
2007-01-13 1:45 ` [patch 03/20] XEN-paravirt: paravirt: page-table accessors Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 04/20] XEN-paravirt: paravirt pagetable init Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 05/20] XEN-paravirt: paravirt: reserve fixmap slot Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 06/20] XEN-paravirt: remove pgd ctor Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 07/20] XEN-paravirt: paravirt shared kernel pmd flag Jeremy Fitzhardinge
2007-01-15 8:59 ` [Xen-devel] " Jan Beulich
2007-01-13 1:45 ` [patch 08/20] XEN-paravirt: paravirt pgd allocation alignment Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 09/20] XEN-paravirt: dont export paravirt_ops structure, do individual functions Jeremy Fitzhardinge
2007-01-14 0:57 ` Rusty Russell
2007-01-13 1:45 ` [patch 10/20] XEN-paravirt: mm lifetime hooks Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 11/20] XEN-paravirt: Add apply_to_page_range() which applies a function to a pte range Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 12/20] XEN-paravirt: Xen: Add nosegneg capability to the vsyscall page notes Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 13/20] XEN-paravirt: Xen: Add config options and disable unsupported config options Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 15/20] XEN-paravirt: Xen: core paravirt guest changes Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 16/20] XEN-paravirt: Add the Xen virtual console driver Jeremy Fitzhardinge
2007-01-14 0:37 ` Alan
2007-01-14 0:35 ` Jeremy Fitzhardinge
2007-01-15 13:03 ` Pavel Machek
2007-01-19 4:11 ` Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 17/20] XEN-paravirt: Add Xen grant table support Jeremy Fitzhardinge
2007-01-15 13:05 ` Pavel Machek
2007-01-19 4:07 ` Jeremy Fitzhardinge
2007-01-13 1:45 ` [patch 18/20] XEN-paravirt: Add Xen driver utility functions Jeremy Fitzhardinge
2007-01-14 7:41 ` Greg KH
2007-01-13 1:45 ` [patch 19/20] XEN-paravirt: Add the Xenbus sysfs and virtual device hotplug driver Jeremy Fitzhardinge
2007-01-15 13:18 ` Pavel Machek
2007-01-13 1:45 ` [patch 20/20] XEN-paravirt: Add Xen virtual block device driver Jeremy Fitzhardinge
2007-01-14 1:07 ` Arjan van de Ven
2007-01-14 7:43 ` Greg KH
2007-01-16 2:53 ` [Xen-devel] " Mark Williamson
2007-01-14 11:05 ` Jan Engelhardt
2007-01-14 11:24 ` Muli Ben-Yehuda
2007-01-14 11:35 ` Jan Engelhardt
2007-01-14 12:37 ` Keir Fraser
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