Messages in this thread Patch in this message | | | From | James Cleverdon <> | Subject | [PATCH][2.5] static MAX_MP_BUSSES increase for Summit boxes | Date | Fri, 23 May 2003 20:27:26 -0700 |
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The dynamic MAX_MP_BUSSES fix for v2.4 never made it into 2.5. x440s with RXE100s and 32-way x445s without can easily overflow it.
Here's a static patch:
diff -pru 2.5.69/include/asm-i386/mpspec.h t69/include/asm-i386/mpspec.h --- 2.5.69/include/asm-i386/mpspec.h Sun May 4 16:52:48 2003 +++ t69/include/asm-i386/mpspec.h Fri May 23 20:17:59 2003 @@ -191,7 +191,13 @@ struct mpc_config_translation #define MAX_IRQ_SOURCES 256 #endif /* CONFIG_X86_NUMAQ */ +#ifdef CONFIG_X86_SUMMIT +/* BIOS reserves an amazing number of PCI busses on x440s and x445s, + * especially when RXE100s are attached. */ +#define MAX_MP_BUSSES 258 +#else #define MAX_MP_BUSSES 32 +#endif enum mp_bustype { MP_BUS_ISA = 1, MP_BUS_EISA,
-- James Cleverdon IBM xSeries Linux Solutions {jamesclv(Unix, preferred), cleverdj(Notes)} at us dot ibm dot com - 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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