Commit-ID: a0ec83f316e1d933d8c820d249972574324c2d25 Gitweb: http://git.kernel.org/tip/a0ec83f316e1d933d8c820d249972574324c2d25 Author: Mike Travis <[email protected]> AuthorDate: Fri, 29 Apr 2016 16:54:05 -0500 Committer: Ingo Molnar <[email protected]> CommitDate: Wed, 4 May 2016 08:48:47 +0200
x86/platform/UV: Add UV4 Specific Defines Add UV4 specific defines to determine if current system type is a UV4 system. Tested-by: John Estabrook <[email protected]> Tested-by: Gary Kroening <[email protected]> Tested-by: Nathan Zimmer <[email protected]> Signed-off-by: Mike Travis <[email protected]> Reviewed-by: Dimitri Sivanich <[email protected]> Cc: Andrew Banman <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Brian Gerst <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Len Brown <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Russ Anderson <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- arch/x86/kernel/apic/x2apic_uv_x.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 8f4942e..9086d95 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -108,6 +108,9 @@ static int __init early_get_pnodeid(void) case UV3_HUB_PART_NUMBER_X: uv_min_hub_revision_id += UV3_HUB_REVISION_BASE; break; + case UV4_HUB_PART_NUMBER: + uv_min_hub_revision_id += UV4_HUB_REVISION_BASE - 1; + break; } uv_hub_info->hub_revision = uv_min_hub_revision_id; @@ -155,8 +158,10 @@ static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id) * SGI: UV100/1000 * SGI2: UV2000/3000 * SGI3: UV300 (truncated to 4 chars because of different varieties) + * SGI4: UV400 (truncated to 4 chars because of different varieties) */ uv_hub_info->hub_revision = + !strncmp(oem_id, "SGI4", 4) ? UV4_HUB_REVISION_BASE : !strncmp(oem_id, "SGI3", 4) ? UV3_HUB_REVISION_BASE : !strcmp(oem_id, "SGI2") ? UV2_HUB_REVISION_BASE : !strcmp(oem_id, "SGI") ? UV1_HUB_REVISION_BASE : 0; @@ -881,9 +886,10 @@ void __init uv_system_init(void) unsigned long mmr_base, present, paddr; unsigned short pnode_mask; unsigned char n_lshift; - char *hub = (is_uv1_hub() ? "UV100/1000" : - (is_uv2_hub() ? "UV2000/3000" : - (is_uv3_hub() ? "UV300" : NULL))); + char *hub = is_uv4_hub() ? "UV400" : + is_uv3_hub() ? "UV300" : + is_uv2_hub() ? "UV2000/3000" : + is_uv1_hub() ? "UV100/1000" : NULL; if (!hub) { pr_err("UV: Unknown/unsupported UV hub\n");
