Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
x86/platform/uv: Recognize UV5 hubless system identifier
Testing shows a problem in that UV5 hubless systems were not being
recognized. Add them to the list of OEM IDs checked.
Fixes: 6c7794423a998 ("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
authored by Mike Travis and committed by Thomas Gleixner 801284f9 1aee505e
+10
-3
arch/x86/kernel/apic/x2apic_uv_x.c
+10
-3
arch/x86/kernel/apic/x2apic_uv_x.c
···
389
389
/* (Not hubless), not a UV */
390
390
return 0;
391
391
392
+
/* Is UV hubless system */
393
+
uv_hubless_system = 0x01;
394
+
395
+
/* UV5 Hubless */
396
+
if (strncmp(uv_archtype, "NSGI5", 5) == 0)
397
+
uv_hubless_system |= 0x20;
398
+
392
399
/* UV4 Hubless: CH */
393
-
if (strncmp(uv_archtype, "NSGI4", 5) == 0)
394
-
uv_hubless_system = 0x11;
400
+
else if (strncmp(uv_archtype, "NSGI4", 5) == 0)
401
+
uv_hubless_system |= 0x10;
395
402
396
403
/* UV3 Hubless: UV300/MC990X w/o hub */
397
404
else
398
-
uv_hubless_system = 0x9;
405
+
uv_hubless_system |= 0x8;
399
406
400
407
/* Copy APIC type */
401
408
uv_stringify(sizeof(oem_table_id), oem_table_id, _oem_table_id);