From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Sat, 17 Sep 2005 02:27:34 +0000 (-0700)
Subject: [PATCH] s390: show_cpuinfo fix
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b7ae9dd80a3ecf070ea0c5fe1d405cd7687d6c51;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[PATCH] s390: show_cpuinfo fix

Disable preemption in show_cpuinfo to avoid problems and the warning about
smp_processor_id.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 5ba5a5485da9..907d16ac9dc9 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -634,6 +634,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
         struct cpuinfo_S390 *cpuinfo;
 	unsigned long n = (unsigned long) v - 1;
 
+	preempt_disable();
 	if (!n) {
 		seq_printf(m, "vendor_id       : IBM/S390\n"
 			       "# processors    : %i\n"
@@ -658,6 +659,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 			       cpuinfo->cpu_id.ident,
 			       cpuinfo->cpu_id.machine);
 	}
+	preempt_enable();
         return 0;
 }