| 1 |
Like the last time, this patch is an ugly hack and it needs |
| 2 |
a professional touch before any sane dev would take it seriously. |
| 3 |
|
| 4 |
But here it is anyway :) |
| 5 |
|
| 6 |
BTW, I replaced for_each_cpu_mask because I still haven't learned |
| 7 |
the correct syntax for it. The number "4" is the number of cpus in |
| 8 |
this particular machine. You should use the correct number for your |
| 9 |
machine, obviously. |
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|
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|
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--- firegl_public.c.orig 2012-06-12 11:15:38.025293759 -0700 |
| 13 |
+++ firegl_public.c 2012-06-12 12:02:11.463348365 -0700 |
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@@ -2120,9 +2120,9 @@ |
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flags = MAP_SHARED; |
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prot = PROT_READ|PROT_WRITE; |
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|
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- down_write(¤t->mm->mmap_sem); |
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- vaddr = (void *) do_mmap(file, 0, len, prot, flags, pgoff); |
| 20 |
- up_write(¤t->mm->mmap_sem); |
| 21 |
+// down_write(¤t->mm->mmap_sem); |
| 22 |
+ vaddr = (void *) vm_mmap(file, 0, len, prot, flags, pgoff); |
| 23 |
+// up_write(¤t->mm->mmap_sem); |
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if (IS_ERR(vaddr)) |
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return 0; |
| 26 |
else |
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@@ -2133,18 +2133,18 @@ |
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{ |
| 29 |
int retcode = 0; |
| 30 |
|
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- down_write(¤t->mm->mmap_sem); |
| 32 |
+// down_write(¤t->mm->mmap_sem); |
| 33 |
#ifdef FGL_LINUX_RHEL_MUNMAP_API |
| 34 |
- retcode = do_munmap(current->mm, |
| 35 |
+ retcode = vm_munmap( |
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addr, |
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len, |
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1); |
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#else |
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- retcode = do_munmap(current->mm, |
| 41 |
+ retcode = vm_munmap( |
| 42 |
addr, |
| 43 |
len); |
| 44 |
#endif |
| 45 |
- up_write(¤t->mm->mmap_sem); |
| 46 |
+// up_write(¤t->mm->mmap_sem); |
| 47 |
return retcode; |
| 48 |
} |
| 49 |
|
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@@ -4156,7 +4156,7 @@ |
| 51 |
{ |
| 52 |
unsigned int p; |
| 53 |
KCL_DEBUG5(FN_FIREGL_KAS, "%d\n", level_init); |
| 54 |
- for_each_cpu_mask(p, cpu_possible_map) |
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+ for(p=0;p<4;p++) |
| 56 |
{ |
| 57 |
KCL_DEBUG1(FN_FIREGL_KAS,"Setting initial execution level for CPU # %d\n", p); |
| 58 |
preempt_disable(); |
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