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Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/cpufeature.h1
-rw-r--r--arch/x86/kernel/cpu/proc.c5
2 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 6b7ee5ff682..633b6176cf6 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -209,6 +209,7 @@
#define X86_FEATURE_RTM (9*32+11) /* Restricted Transactional Memory */
#define X86_FEATURE_RDSEED (9*32+18) /* The RDSEED instruction */
#define X86_FEATURE_ADX (9*32+19) /* The ADCX and ADOX instructions */
+#define X86_FEATURE_SMAP (9*32+20) /* Supervisor Mode Access Prevention */
#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c
index 8022c668148..fbd89556229 100644
--- a/arch/x86/kernel/cpu/proc.c
+++ b/arch/x86/kernel/cpu/proc.c
@@ -140,10 +140,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
static void *c_start(struct seq_file *m, loff_t *pos)
{
- if (*pos == 0) /* just in case, cpu 0 is not the first */
- *pos = cpumask_first(cpu_online_mask);
- else
- *pos = cpumask_next(*pos - 1, cpu_online_mask);
+ *pos = cpumask_next(*pos - 1, cpu_online_mask);
if ((*pos) < nr_cpu_ids)
return &cpu_data(*pos);
return NULL;