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x86/platform/uv: Recognize UV5 hubless system identifier

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Testing shows a problem in that UV5 hubless systems were not being
recognized.  Add them to the list of OEM IDs checked.

Fixes: 6c7794423a ("Add UV5 direct references")
Signed-off-by: Mike Travis <mike.travis@hpe.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201105222741.157029-4-mike.travis@hpe.com
This commit is contained in:
Mike Travis 2020-11-05 16:27:41 -06:00 committed by Thomas Gleixner
parent 1aee505e01
commit 801284f973
1 changed files with 10 additions and 3 deletions
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13
arch/x86/kernel/apic/x2apic_uv_x.c
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@ -389,13 +389,20 @@ static int __init uv_set_system_type(char *_oem_id, char *_oem_table_id)
/* (Not hubless), not a UV */
return 0;
/* Is UV hubless system */
uv_hubless_system = 0x01;
/* UV5 Hubless */
if (strncmp(uv_archtype, "NSGI5", 5) == 0)
uv_hubless_system |= 0x20;
/* UV4 Hubless: CH */
if (strncmp(uv_archtype, "NSGI4", 5) == 0)
uv_hubless_system = 0x11;
else if (strncmp(uv_archtype, "NSGI4", 5) == 0)
uv_hubless_system |= 0x10;
/* UV3 Hubless: UV300/MC990X w/o hub */
else
uv_hubless_system = 0x9;
uv_hubless_system |= 0x8;
/* Copy APIC type */
uv_stringify(sizeof(oem_table_id), oem_table_id, _oem_table_id);