Messages in this thread Patch in this message | | | Date | Thu, 5 Aug 2004 14:38:37 +0200 | From | Andi Kleen <> | Subject | [PATCH] Automatically enable bigsmp on big HP machines |
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This enables apic=bigsmp automatically on some big HP machines that need it. This makes them boot without kernel parameters on a generic arch kernel.
Also it removes an unnecessary panic in the same area.
-Andi
diff -u linux-2.6.7/arch/i386/kernel/dmi_scan.c-HP linux-2.6.7/arch/i386/kernel/dmi_scan.c --- linux-2.6.7/arch/i386/kernel/dmi_scan.c-HP 2004-08-05 14:00:29.325072566 +0200 +++ linux-2.6.7/arch/i386/kernel/dmi_scan.c 2004-08-05 14:19:57.058593500 +0200 @@ -272,6 +272,16 @@ } #endif +static __init int hp_ht_bigsmp(struct dmi_blacklist *d) +{ +#ifdef CONFIG_X86_GENERICARCH + extern int dmi_bigsmp; + printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident); + dmi_bigsmp = 1; +#endif + return 0; +} + /* * Process the DMI blacklists */ @@ -460,6 +455,17 @@ #endif // CONFIG_ACPI_BOOT #ifdef CONFIG_ACPI_PCI + + { hp_ht_bigsmp, "HP ProLiant DL760 G2", { + MATCH(DMI_BIOS_VENDOR, "HP"), + MATCH(DMI_BIOS_VERSION, "P44-"), + NO_MATCH, NO_MATCH }}, + + { hp_ht_bigsmp, "HP ProLiant DL740", { + MATCH(DMI_BIOS_VENDOR, "HP"), + MATCH(DMI_BIOS_VERSION, "P47-"), + NO_MATCH, NO_MATCH }}, + /* * Boxes that need ACPI PCI IRQ routing disabled */ diff -u linux-2.6.7/arch/i386/kernel/io_apic.c-HP linux-2.6.7/arch/i386/kernel/io_apic.c --- linux-2.6.7/arch/i386/kernel/io_apic.c-HP 2004-08-05 14:00:29.328072077 +0200 +++ linux-2.6.7/arch/i386/kernel/io_apic.c 2004-08-05 14:17:49.595383418 +0200 @@ -1714,7 +1714,7 @@ reg_00.raw = io_apic_read(apic, 0); spin_unlock_irqrestore(&ioapic_lock, flags); if (reg_00.bits.ID != mp_ioapics[apic].mpc_apicid) - panic("could not set ID!\n"); + printk(" could not set ID!\n"); else printk(" ok.\n"); } - 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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