From: Alex Williamson <alex.williamson@redhat.com>
To: qemu-devel@nongnu.org
Cc: kvm@vger.kernel.org, jes.sorensen@redhat.com,
anthony@codemonkey.ws, alex.williamson@redhat.com
Subject: [PATCH] vga: Mark VBE area as reserved in e820 tables
Date: Thu, 14 Oct 2010 12:36:23 -0600 [thread overview]
Message-ID: <20101014183546.23575.34968.stgit@s20.home> (raw)
Otherwise the guest might try to use the range for device hotplug.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---
hw/vga.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/hw/vga.c b/hw/vga.c
index 966185e..90f9dc0 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -2331,6 +2331,14 @@ void vga_init(VGACommonState *s)
void vga_init_vbe(VGACommonState *s)
{
#ifdef CONFIG_BOCHS_VBE
+#if defined (TARGET_I386)
+ if (e820_add_entry(VBE_DISPI_LFB_PHYSICAL_ADDRESS,
+ VGA_RAM_SIZE, E820_RESERVED) < 0) {
+ fprintf(stderr,
+ "Warning: unable to register VBE range as e820 reserved\n");
+ }
+#endif
+
/* XXX: use optimized standard vga accesses */
cpu_register_physical_memory(VBE_DISPI_LFB_PHYSICAL_ADDRESS,
VGA_RAM_SIZE, s->vram_offset);
next reply other threads:[~2010-10-14 18:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-14 18:36 Alex Williamson [this message]
2010-10-15 8:22 ` [PATCH] vga: Mark VBE area as reserved in e820 tables Gerd Hoffmann
2010-10-15 14:41 ` Alex Williamson
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