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Revert "video:uvesafb: Fix oops that uvesafb try to execute NX-protected page"

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This reverts commit ec0d22e4d5.

This patch requires exporting 'pcibios_enabled' to avoid breaking
modular uvesafb builds. As this gets some opposition by Alan Cox it
needs more discussion, revert the patch for now.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Florian Tobias Schandinat 2012-03-21 13:22:01 +00:00
parent dc7e57fa80
commit 6bff98b455
1 changed files with 2 additions and 10 deletions
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12
drivers/video/uvesafb.c
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@ -23,7 +23,6 @@
#include <video/uvesafb.h>
#ifdef CONFIG_X86
#include <video/vga.h>
#include <linux/pci.h>
#endif
#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
@ -816,15 +815,8 @@ static int __devinit uvesafb_vbe_init(struct fb_info *info)
par->pmi_setpal = pmi_setpal;
par->ypan = ypan;
if (par->pmi_setpal || par->ypan) {
if (pcibios_enabled) {
uvesafb_vbe_getpmi(task, par);
} else {
par->pmi_setpal = par->ypan = 0;
printk(KERN_WARNING "uvesafb: PCI BIOS area is NX."
"Can't use protected mode interface\n");
}
}
if (par->pmi_setpal || par->ypan)
uvesafb_vbe_getpmi(task, par);
#else
/* The protected mode interface is not available on non-x86. */
par->pmi_setpal = par->ypan = 0;