diff options
| author |   Mike Habeck <habeck@sgi.com> | 2006-04-26 12:05:50 -0500 |
|---|---|---|
| committer |   Tony Luck <tony.luck@intel.com> | 2006-04-27 14:32:07 -0700 |
| commit | cda3d4a069b915cf46e640bb6872a9d9aefeaabe (patch) | |
| tree | f7022fceac378d444761da3f22e729d348482cf2 | |
| parent | [IA64] enable dumps to capture second page of kernel stack (diff) | |
| download | linux-dev-cda3d4a069b915cf46e640bb6872a9d9aefeaabe.tar.xz linux-dev-cda3d4a069b915cf46e640bb6872a9d9aefeaabe.zip | |
[IA64-SGI] fix SGI Altix tioce_reserve_m32() bug
The following patch fixes a bug in the SGI Altix tioce_reserve_m32()
code. The bug was that we could walking past the end of the CE ASIC
32/40bit PMU ATE Buffer, resulting in a PIO Reply Error.
Signed-off-by: Mike Habeck <habeck@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
| -rw-r--r-- | arch/ia64/sn/pci/tioce_provider.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c index fa073cc4b565..833295624e5d 100644 --- a/arch/ia64/sn/pci/tioce_provider.c +++ b/arch/ia64/sn/pci/tioce_provider.c @@ -682,9 +682,6 @@ tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit) int ate_index, last_ate, ps; struct tioce *ce_mmr; - if (!TIOCE_M32_ADDR(base)) - return; - ce_mmr = (struct tioce *)ce_kern->ce_common->ce_pcibus.bs_base; ps = ce_kern->ce_ate3240_pagesize; ate_index = ATE_PAGE(base, ps); @@ -693,6 +690,9 @@ tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit) if (ate_index < 64) ate_index = 64; + if (last_ate >= TIOCE_NUM_M3240_ATES) + last_ate = TIOCE_NUM_M3240_ATES - 1; + while (ate_index <= last_ate) { u64 ate; |