svn commit: r359090 - head/sys/x86/x86

[Konstantin Belousov]

Author: kib
Date: Wed Mar 18 21:24:34 2020
New Revision: 359090
URL: https://svnweb.freebsd.org/changeset/base/359090

Log:
  Widen the stored io_apic_id to 8 bits.
  
  It seems that the newer Intel chipset did that, and Linux reads 8
  bits. The only detail is that all seen datasheets, even under NDA,
  claim that io apic id is 4 bits.
  
  Submitted by:	jeff
  Reviewed by:	jhb
  Tested by:	flo, pho
  MFC after:	2 weeks
  Differential revision:	https://reviews.freebsd.org/D23965

Modified:
  head/sys/x86/x86/io_apic.c

Modified: head/sys/x86/x86/io_apic.c
==============================================================================
--- head/sys/x86/x86/io_apic.c	Wed Mar 18 21:20:10 2020	(r359089)
+++ head/sys/x86/x86/io_apic.c	Wed Mar 18 21:24:34 2020	(r359090)
@@ -94,7 +94,7 @@ struct ioapic_intsrc {
 struct ioapic {
 	struct pic io_pic;
 	u_int io_id:8;			/* logical ID */
-	u_int io_apic_id:4;
+	u_int io_apic_id:8;
 	u_int io_intbase:8;		/* System Interrupt base */
 	u_int io_numintr:8;
 	u_int io_haseoi:1;