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| author | Jack Steiner <steiner@sgi.com> | 2009-06-17 16:28:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-18 13:04:00 -0700 |
| commit | 3eac2e95d7bb92222e185e445eca1fe3f695050f (patch) | |
| tree | 51edba7b926d3587dfa40646bf7b453f47d26dff /drivers/misc/sgi-gru/grumain.c | |
| parent | 836ce679c0b5b5040164171afc33753396864b30 (diff) | |
| download | op-kernel-dev-3eac2e95d7bb92222e185e445eca1fe3f695050f.zip op-kernel-dev-3eac2e95d7bb92222e185e445eca1fe3f695050f.tar.gz | |
gru: support contexts with zero dsrs or cbrs
Support alocation of GRU contexts that contain zero DSR or CBR resources.
Some instructions do not require DSR resources. Contexts without CBR
resources are useful for diagnostics.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/sgi-gru/grumain.c')
| -rw-r--r-- | drivers/misc/sgi-gru/grumain.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c index 3398e54..4e6e8c3 100644 --- a/drivers/misc/sgi-gru/grumain.c +++ b/drivers/misc/sgi-gru/grumain.c @@ -150,7 +150,7 @@ static unsigned long reserve_resources(unsigned long *p, int n, int mmax, unsigned long bits = 0; int i; - do { + while (n--) { i = find_first_bit(p, mmax); if (i == mmax) BUG(); @@ -158,7 +158,7 @@ static unsigned long reserve_resources(unsigned long *p, int n, int mmax, __set_bit(i, &bits); if (idx) *idx++ = i; - } while (--n); + } return bits; } |
