| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Mon, 19 May 2008 19:47:03 +0400
From: Alexey Starikovskiy <astarikovskiy@...e.de>
To: mingo@...e.hu
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 2/5] x86: move smp_found_config
Signed-off-by: Alexey Starikovskiy <astarikovskiy@...e.de>
---
arch/x86/kernel/apic_32.c | 3 +++
arch/x86/kernel/apic_64.c | 3 +++
arch/x86/kernel/mpparse.c | 8 ++++----
arch/x86/mach-visws/mpparse.c | 5 ++---
arch/x86/mach-voyager/voyager_smp.c | 5 -----
5 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index c0dd696..4ed4a2b 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -79,6 +79,9 @@ int apic_verbosity;
int pic_mode;
+/* Have we found an MP table */
+int smp_found_config;
+
static unsigned int calibration_result;
static int lapic_next_event(unsigned long delta,
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 30f3f6a..10fde03 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -56,6 +56,9 @@ EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
*/
int apic_verbosity;
+/* Have we found an MP table */
+int smp_found_config;
+
static struct resource lapic_resource = {
.name = "Local APIC",
.flags = IORESOURCE_MEM | IORESOURCE_BUSY,
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index b72c046..d67cd76 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -32,9 +32,6 @@
#include <mach_mpparse.h>
#endif
-/* Have we found an MP table */
-int smp_found_config;
-
/*
* Various Linux-internal data structures created from the
* MP-table.
@@ -639,7 +636,9 @@ static void __init __get_smp_config(unsigned early)
* override the defaults.
*/
if (!smp_read_mpc(phys_to_virt(mpf->mpf_physptr), early)) {
+#ifdef CONFIG_X86_LOCAL_APIC
smp_found_config = 0;
+#endif
printk(KERN_ERR
"BIOS bug, MP table errors detected!...\n");
printk(KERN_ERR "... disabling SMP support. "
@@ -706,8 +705,9 @@ static int __init smp_scan_config(unsigned long base, unsigned long length,
!mpf_checksum((unsigned char *)bp, 16) &&
((mpf->mpf_specification == 1)
|| (mpf->mpf_specification == 4))) {
-
+#ifdef CONFIG_X86_LOCAL_APIC
smp_found_config = 1;
+#endif
mpf_found = mpf;
#ifdef CONFIG_X86_32
printk(KERN_INFO "found SMP MP-table at [%p] %08lx\n",
diff --git a/arch/x86/mach-visws/mpparse.c b/arch/x86/mach-visws/mpparse.c
index b7d063e..a2fb78c 100644
--- a/arch/x86/mach-visws/mpparse.c
+++ b/arch/x86/mach-visws/mpparse.c
@@ -8,9 +8,6 @@
#include "cobalt.h"
#include "mach_apic.h"
-/* Have we found an MP table */
-int smp_found_config;
-
extern unsigned int __cpuinitdata maxcpus;
/*
@@ -74,7 +71,9 @@ void __init find_smp_config(void)
if (ncpus > maxcpus)
ncpus = maxcpus;
+#ifdef CONFIG_X86_LOCAL_APIC
smp_found_config = 1;
+#endif
while (ncpus--)
MP_processor_info(mp++);
diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c
index 8acbf0c..6d33541 100644
--- a/arch/x86/mach-voyager/voyager_smp.c
+++ b/arch/x86/mach-voyager/voyager_smp.c
@@ -59,11 +59,6 @@ __u32 voyager_quad_processors = 0;
* activity count. Finally exported by i386_ksyms.c */
static int voyager_extended_cpus = 1;
-/* Have we found an SMP box - used by time.c to do the profiling
- interrupt for timeslicing; do not set to 1 until the per CPU timer
- interrupt is active */
-int smp_found_config = 0;
-
/* Used for the invalidate map that's also checked in the spinlock */
static volatile unsigned long smp_invalidate_needed;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists