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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-13 19:42:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-13 19:42:56 -0700 |
| commit | a1c0cad352520206305b1a3c2658097721454855 (patch) | |
| tree | 82f850ea19e1750549a1e7ea414c2c6ab032362a /drivers/video/uvesafb.c | |
| parent | 659e45d8a0aca8619f0d308448c480279fa002b6 (diff) | |
| parent | b78f29ca0516266431688c5eb42d39ce42ec039a (diff) | |
Merge tag 'fbdev-fixes-for-3.4-1' of git://github.com/schandinat/linux-2.6
Pull fbdev fixes from Florian Tobias Schandinat:
- a compile fix for au1*fb
- a fix to make kyrofb usable on x86_64
- a fix for uvesafb to prevent an oops due to NX-protection
"The fix for kyrofb is a bit large but it's just replacing "unsigned
long" by "u32" for 64 bit compatibility."
* tag 'fbdev-fixes-for-3.4-1' of git://github.com/schandinat/linux-2.6:
video:uvesafb: Fix oops that uvesafb try to execute NX-protected page
fbdev: fix au1*fb builds
kyrofb: fix on x86_64
Diffstat (limited to 'drivers/video/uvesafb.c')
| -rw-r--r-- | drivers/video/uvesafb.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index 260cca7ddb4..26e83d7fdd6 100644 --- a/drivers/video/uvesafb.c +++ b/drivers/video/uvesafb.c @@ -815,8 +815,15 @@ static int __devinit uvesafb_vbe_init(struct fb_info *info) par->pmi_setpal = pmi_setpal; par->ypan = ypan; - if (par->pmi_setpal || par->ypan) - uvesafb_vbe_getpmi(task, par); + if (par->pmi_setpal || par->ypan) { + if (__supported_pte_mask & _PAGE_NX) { + par->pmi_setpal = par->ypan = 0; + printk(KERN_WARNING "uvesafb: NX protection is actively." + "We have better not to use the PMI.\n"); + } else { + uvesafb_vbe_getpmi(task, par); + } + } #else /* The protected mode interface is not available on non-x86. */ par->pmi_setpal = par->ypan = 0; |