From: Russ Anderson Date: Thu, 28 Oct 2010 22:41:32 +0000 (-0500) Subject: x86, uv: More Westmere support on SGI UV X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0520bd8438f18f2b1b2af5fd1c4ecc070a1bf837;p=linux-beck.git x86, uv: More Westmere support on SGI UV Enable Westmere support for all APIC modes on SGI UV. Signed-off-by: Russ Anderson LKML-Reference: <20101028224132.GB15804@sgi.com> Signed-off-by: H. Peter Anvin --- diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 0a2918eaab34..ed4118de249e 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -71,7 +71,7 @@ static int early_get_nodeid(void) return node_id.s.node_id; } -static int __init early_get_apic_pnode_shift(void) +static void __init early_get_apic_pnode_shift(void) { unsigned long *mmr; @@ -83,8 +83,6 @@ static int __init early_get_apic_pnode_shift(void) * Old bios, use default value */ uvh_apicid.s.pnode_shift = UV_APIC_PNODE_SHIFT; - - return uvh_apicid.s.pnode_shift; } static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id) @@ -93,6 +91,7 @@ static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id) if (!strcmp(oem_id, "SGI")) { nodeid = early_get_nodeid(); + early_get_apic_pnode_shift(); x86_platform.is_untracked_pat_range = uv_is_untracked_pat_range; x86_platform.nmi_init = uv_nmi_init; if (!strcmp(oem_table_id, "UVL")) @@ -101,7 +100,7 @@ static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id) uv_system_type = UV_X2APIC; else if (!strcmp(oem_table_id, "UVH")) { __get_cpu_var(x2apic_extra_bits) = - nodeid << (early_get_apic_pnode_shift() - 1); + nodeid << (uvh_apicid.s.pnode_shift - 1); uv_system_type = UV_NON_UNIQUE_APIC; return 1; }