Anyone tested it on SMP yet? I think the mga driver is dodgy the others
seem okay but until someone with an MGA/SMP/preempt does it ... I'm not
sure about it..
Dave.
On Sun, 29 Aug 2004, Jon Smirl wrote:
> This change is not going to break a non-SMP system but it may break an
> SMP one. This needs to be tested on a SMP system before it can be
> committed. I thought the reports were that it breaks on SMP.
>
> --- Mike Mestnik <[EMAIL PROTECTED]> wrote:
>
> > Coulden't cause DRI/DRM to break on my non-SMP radeon preempt system.
> >
> > Could this be commited, in one form or another?
> >
> > cvs diff: Diffing .
> > Index: drm_os_linux.h
> > ===================================================================
> > RCS file: /cvs/dri/drm/linux/drm_os_linux.h,v
> > retrieving revision 1.21
> > diff -u -r1.21 drm_os_linux.h
> > --- drm_os_linux.h 27 Aug 2004 09:11:06 -0000 1.21
> > +++ drm_os_linux.h 29 Aug 2004 21:39:47 -0000
> > @@ -14,7 +14,17 @@
> > #define DRM_ERR(d) -(d)
> > /** Current process ID */
> > #define DRM_CURRENTPID current->pid
> > -#define DRM_UDELAY(d) udelay(d)
> > +extern int panic_timeout;
> > +#define DRM_UDELAY(d) do { \
> > + if (!panic_timeout) { \
> > + cond_resched(); \
> > + if (d > 100) \
> > + msleep(d); \
> > + else \
> > + udelay(d); \
> > + } else \
> > + udelay(d); \
> > +} while (0)
> > /** Read a byte from a MMIO region */
> > #define DRM_READ8(map, offset) readb(((unsigned long)(map)->handle)
> > +
> > (offset))
> > /** Read a word from a MMIO region */
> >
> > The msleep will never be trigered, cause 'd' is time( == 1) not
> > iritations( == i). This should be fixed in the code that uses
> > DRM_UDELAY,
> > and maby a name change too.
> >
> >
> >
> >
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>
> =====
> Jon Smirl
> [EMAIL PROTECTED]
>
>
>
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http://www.skynet.ie/~airlied / airlied at skynet.ie
pam_smb / Linux DECstation / Linux VAX / ILUG person
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