| 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
| ||
|
Message-ID: <47BC75E2.6010207@ct.jp.nec.com>
Date: Wed, 20 Feb 2008 10:48:02 -0800
From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
To: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
"H. Peter Anvin" <hpa@...or.com>
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] x86: cosmetic unification cpu/proc|_64.c
From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
make cpu/proc.c and cpu/proc_64.c same.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
---
arch/x86/kernel/cpu/proc.c | 36 ++++++++++++++++++++++++++++++
arch/x86/kernel/cpu/proc_64.c | 49 +++++++++++++++++++++++++++++++++++++++-
2 files changed, 83 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c
index fd3823a..15043a3 100644
--- a/arch/x86/kernel/cpu/proc.c
+++ b/arch/x86/kernel/cpu/proc.c
@@ -8,6 +8,7 @@
/*
* Get CPU information for use by the procfs.
*/
+#ifdef CONFIG_X86_32
static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c,
unsigned int cpu)
{
@@ -47,6 +48,31 @@ static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c)
c->cpuid_level,
c->wp_works_ok ? "yes" : "no");
}
+#else
+static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c,
+ unsigned int cpu)
+{
+#ifdef CONFIG_SMP
+ if (c->x86_max_cores * smp_num_siblings > 1) {
+ seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
+ seq_printf(m, "siblings\t: %d\n",
+ cpus_weight(per_cpu(cpu_core_map, cpu)));
+ seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
+ seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
+ }
+#endif
+}
+
+static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c)
+{
+ seq_printf(m,
+ "fpu\t\t: yes\n"
+ "fpu_exception\t: yes\n"
+ "cpuid level\t: %d\n"
+ "wp\t\t: yes\n",
+ c->cpuid_level);
+}
+#endif
static int show_cpuinfo(struct seq_file *m, void *v)
{
@@ -97,7 +123,17 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "\nbogomips\t: %lu.%02lu\n",
c->loops_per_jiffy/(500000/HZ),
(c->loops_per_jiffy/(5000/HZ)) % 100);
+
+#ifdef CONFIG_X86_64
+ if (c->x86_tlbsize > 0)
+ seq_printf(m, "TLB size\t: %d 4K pages\n", c->x86_tlbsize);
+#endif
seq_printf(m, "clflush size\t: %u\n", c->x86_clflush_size);
+#ifdef CONFIG_X86_64
+ seq_printf(m, "cache_alignment\t: %d\n", c->x86_cache_alignment);
+ seq_printf(m, "address sizes\t: %u bits physical, %u bits virtual\n",
+ c->x86_phys_bits, c->x86_virt_bits);
+#endif
seq_printf(m, "power management:");
for (i = 0; i < 32; i++) {
diff --git a/arch/x86/kernel/cpu/proc_64.c b/arch/x86/kernel/cpu/proc_64.c
index ce1b08f..15043a3 100644
--- a/arch/x86/kernel/cpu/proc_64.c
+++ b/arch/x86/kernel/cpu/proc_64.c
@@ -8,6 +8,47 @@
/*
* Get CPU information for use by the procfs.
*/
+#ifdef CONFIG_X86_32
+static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c,
+ unsigned int cpu)
+{
+#ifdef CONFIG_X86_HT
+ if (c->x86_max_cores * smp_num_siblings > 1) {
+ seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
+ seq_printf(m, "siblings\t: %d\n",
+ cpus_weight(per_cpu(cpu_core_map, cpu)));
+ seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
+ seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
+ }
+#endif
+}
+
+static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c)
+{
+ /*
+ * We use exception 16 if we have hardware math and we've either seen
+ * it or the CPU claims it is internal
+ */
+ int fpu_exception = c->hard_math && (ignore_fpu_irq || cpu_has_fpu);
+ seq_printf(m,
+ "fdiv_bug\t: %s\n"
+ "hlt_bug\t\t: %s\n"
+ "f00f_bug\t: %s\n"
+ "coma_bug\t: %s\n"
+ "fpu\t\t: %s\n"
+ "fpu_exception\t: %s\n"
+ "cpuid level\t: %d\n"
+ "wp\t\t: %s\n",
+ c->fdiv_bug ? "yes" : "no",
+ c->hlt_works_ok ? "no" : "yes",
+ c->f00f_bug ? "yes" : "no",
+ c->coma_bug ? "yes" : "no",
+ c->hard_math ? "yes" : "no",
+ fpu_exception ? "yes" : "no",
+ c->cpuid_level,
+ c->wp_works_ok ? "yes" : "no");
+}
+#else
static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c,
unsigned int cpu)
{
@@ -31,6 +72,7 @@ static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c)
"wp\t\t: yes\n",
c->cpuid_level);
}
+#endif
static int show_cpuinfo(struct seq_file *m, void *v)
{
@@ -82,13 +124,16 @@ static int show_cpuinfo(struct seq_file *m, void *v)
c->loops_per_jiffy/(500000/HZ),
(c->loops_per_jiffy/(5000/HZ)) % 100);
+#ifdef CONFIG_X86_64
if (c->x86_tlbsize > 0)
seq_printf(m, "TLB size\t: %d 4K pages\n", c->x86_tlbsize);
- seq_printf(m, "clflush size\t: %d\n", c->x86_clflush_size);
+#endif
+ seq_printf(m, "clflush size\t: %u\n", c->x86_clflush_size);
+#ifdef CONFIG_X86_64
seq_printf(m, "cache_alignment\t: %d\n", c->x86_cache_alignment);
-
seq_printf(m, "address sizes\t: %u bits physical, %u bits virtual\n",
c->x86_phys_bits, c->x86_virt_bits);
+#endif
seq_printf(m, "power management:");
for (i = 0; i < 32; i++) {
--
1.5.3.8
--
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