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[src/trunk]: src/sys/arch/x86/acpi PR kern/55080: current does not boot



details:   https://anonhg.NetBSD.org/src/rev/9f19941423b2
branches:  trunk
changeset: 1008332:9f19941423b2
user:      ad <ad%NetBSD.org@localhost>
date:      Thu Mar 19 19:55:34 2020 +0000

description:
PR kern/55080: current does not boot

Back out previous.  To be addressed differently.

diffstat:

 sys/arch/x86/acpi/acpi_cpu_md.c |  20 ++------------------
 1 files changed, 2 insertions(+), 18 deletions(-)

diffs (71 lines):

diff -r d5ad69eed4ce -r 9f19941423b2 sys/arch/x86/acpi/acpi_cpu_md.c
--- a/sys/arch/x86/acpi/acpi_cpu_md.c   Thu Mar 19 18:58:14 2020 +0000
+++ b/sys/arch/x86/acpi/acpi_cpu_md.c   Thu Mar 19 19:55:34 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_cpu_md.c,v 1.82 2020/03/14 13:50:46 ad Exp $ */
+/* $NetBSD: acpi_cpu_md.c,v 1.83 2020/03/19 19:55:34 ad Exp $ */
 
 /*-
  * Copyright (c) 2010, 2011 Jukka Ruohonen <jruohonen%iki.fi@localhost>
@@ -27,7 +27,7 @@
  * SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_cpu_md.c,v 1.82 2020/03/14 13:50:46 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_cpu_md.c,v 1.83 2020/03/19 19:55:34 ad Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -103,10 +103,8 @@
 
 #define FID_TO_VCO_FID(fidd)   (((fid) < 8) ? (8 + ((fid) << 1)) : (fid))
 
-#ifdef ACPICPU_ENABLE_C3
 static char      native_idle_text[16];
 void           (*native_idle)(void) = NULL;
-#endif
 
 static int      acpicpu_md_quirk_piix4(const struct pci_attach_args *);
 static void     acpicpu_md_pstate_hwf_reset(void *, void *);
@@ -350,12 +348,6 @@
 int
 acpicpu_md_cstate_start(struct acpicpu_softc *sc)
 {
-#ifdef ACPICPU_ENABLE_C3
-       /*
-        * XXX There are performance problems with the ACPI idle loop, and
-        * it does not enter deep sleep.  Once those are resolved it'll be
-        * re-enabled.
-        */
        const size_t size = sizeof(native_idle_text);
        struct acpicpu_cstate *cs;
        bool ipi = false;
@@ -377,7 +369,6 @@
        }
 
        x86_cpu_idle_set(acpicpu_cstate_idle, "acpi", ipi);
-#endif /* ACPICPU_ENABLE_C3 */
 
        return 0;
 }
@@ -385,12 +376,6 @@
 int
 acpicpu_md_cstate_stop(void)
 {
-#ifdef ACPICPU_ENABLE_C3
-       /*
-        * XXX There are performance problems with the ACPI idle loop, and
-        * it does not enter deep sleep.  Once those are resolved it'll be
-        * re-enabled.
-        */
        static char text[16];
        void (*func)(void);
        bool ipi;
@@ -408,7 +393,6 @@
         * out from the ACPI idle-loop before detachment.
         */
        xc_barrier(0);
-#endif /* ACPICPU_ENABLE_C3 */
 
        return 0;
 }



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