Author: adrian
Date: Wed Sep 16 01:44:11 2015
New Revision: 287841
URL: https://svnweb.freebsd.org/changeset/base/287841
Log:
Add ASUS Sandybridge laptops to the similar x2apic disable logic
that was recently added for Lenovo laptops.
This is a prime candidate for conversion into a table and also
checking other fields like "product".
Tested:
* ASUS UX31E
Modified:
head/sys/x86/acpica/madt.c
Modified: head/sys/x86/acpica/madt.c
==============================================================================
--- head/sys/x86/acpica/madt.c Wed Sep 16 00:45:48 2015 (r287840)
+++ head/sys/x86/acpica/madt.c Wed Sep 16 01:44:11 2015 (r287841)
@@ -182,7 +182,19 @@ madt_setup_local(void)
CPUID_TO_FAMILY(cpu_id) == 0x6 &&
CPUID_TO_MODEL(cpu_id) == 0x2a) {
x2apic_mode = 0;
- reason = "for a suspected Lenovo SandyBridge BIOS bug";
+ reason =
+ "for a suspected Lenovo SandyBridge BIOS
bug";
+ }
+ /*
+ * Same reason, ASUS SandyBridge.
+ */
+ if (hw_vendor != NULL &&
+ !strcmp(hw_vendor, "ASUSTeK Computer Inc.") &&
+ CPUID_TO_FAMILY(cpu_id) == 0x6 &&
+ CPUID_TO_MODEL(cpu_id) == 0x2a) {
+ x2apic_mode = 0;
+ reason =
+ "for a suspected ASUS SandyBridge BIOS bug";
}
freeenv(hw_vendor);
}
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