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Hi Andrew, This is the first of a series of PnP updates for 2.6.4. I would appreciate if these could be tested in your -mm tree. Thanks, Adam [PNP] Resource Conflict Cleanup This patch cleans up the resource conflict logic and was originally from Matthew Wilcox <willy@debian.org>. --- a/drivers/pnp/resource.c 2004-01-23 15:19:25.000000000 +0000 +++ b/drivers/pnp/resource.c 2004-02-01 20:07:41.000000000 +0000 @@ -231,15 +231,9 @@ #define length(start, end) (*(end) - *(start) + 1) -/* ranged_conflict - used to determine if two resource ranges conflict - * condition 1: check if the start of a is within b - * condition 2: check if the end of a is within b - * condition 3: check if b is engulfed by a */ - +/* Two ranges conflict if one doesn't end before the other starts */ #define ranged_conflict(starta, enda, startb, endb) \ -((*(starta) >= *(startb) && *(starta) <= *(endb)) || \ - (*(enda) >= *(startb) && *(enda) <= *(endb)) || \ - (*(starta) < *(startb) && *(enda) > *(endb))) + !((*(enda) < *(startb)) || (*(endb) < *(starta))) #define cannot_compare(flags) \ ((flags) & (IORESOURCE_UNSET | IORESOURCE_DISABLED)) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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