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[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>
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1 changed files with 3 additions and 3 deletions
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@ -682,9 +682,6 @@ tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit)
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int ate_index, last_ate, ps;
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struct tioce *ce_mmr;
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if (!TIOCE_M32_ADDR(base))
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return;
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ce_mmr = (struct tioce *)ce_kern->ce_common->ce_pcibus.bs_base;
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ps = ce_kern->ce_ate3240_pagesize;
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ate_index = ATE_PAGE(base, ps);
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@ -693,6 +690,9 @@ tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit)
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if (ate_index < 64)
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ate_index = 64;
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if (last_ate >= TIOCE_NUM_M3240_ATES)
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last_ate = TIOCE_NUM_M3240_ATES - 1;
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while (ate_index <= last_ate) {
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u64 ate;
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