I've bisected the non-working'ness of HD-Audio and USB Mouse on one of
my x86_64 boxes back to the following commit.
The machine is an HP xw4400 Core 2 Duo E6600 with the Intel 975X chipset.
Please let me know if you need any debug info.
45edfd1db02f818b3dc7e4743ee8585af6b78f78 is first bad commit
commit 45edfd1db02f818b3dc7e4743ee8585af6b78f78
Author: Yinghai Lu <[email protected]>
Date: Sat Oct 21 18:37:01 2006 +0200
[PATCH] x86-64: typo in __assign_irq_vector when updating pos for
vector and offset
typo with cpu instead of new_cpu
Signed-off-by: Yinghai Lu <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
:040000 040000 1d64801d89bfb23ef4d63d1625f47122d01ded6c
03bb862d9bfdfb05fb5382d56d52ffe1c5f8aba2 M arch
Accordingly ther revert-diff is this
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index b000017..1fa95d5 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -651,12 +651,12 @@ next:
if (vector == IA32_SYSCALL_VECTOR)
goto next;
for_each_cpu_mask(new_cpu, domain)
- if (per_cpu(vector_irq, new_cpu)[vector] != -1)
+ if (per_cpu(vector_irq, cpu)[vector] != -1)
goto next;
/* Found one! */
for_each_cpu_mask(new_cpu, domain) {
- pos[new_cpu].vector = vector;
- pos[new_cpu].offset = offset;
+ pos[cpu].vector = vector;
+ pos[cpu].offset = offset;
}
if (old_vector >= 0) {
int old_cpu;
-
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