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authorHeiko Carstens <hca@linux.ibm.com>2023-09-11 21:40:04 +0200
committerVasily Gorbik <gor@linux.ibm.com>2023-09-19 13:26:56 +0200
commit527618abb92793b9d4dba548d55822dcebd95317 (patch)
treea33943001b1f0134ffc09e4cf0ecf1d267e44779 /arch/s390/kernel/smp.c
parents390/ctlreg: add type checking to __local_ctl_load() and __local_ctl_store() (diff)
downloadlinux-527618abb92793b9d4dba548d55822dcebd95317.tar.xz
linux-527618abb92793b9d4dba548d55822dcebd95317.zip
s390/ctlreg: add struct ctlreg
Add struct ctlreg to enforce strict type checking / usage for control register functions. Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/kernel/smp.c')
-rw-r--r--arch/s390/kernel/smp.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 90d3502379aa..fbd2801c7061 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -910,7 +910,7 @@ early_param("possible_cpus", _setup_possible_cpus);
int __cpu_disable(void)
{
- unsigned long cregs[16];
+ struct ctlreg cregs[16];
int cpu;
/* Handle possible pending IPIs */
@@ -923,9 +923,9 @@ int __cpu_disable(void)
pfault_fini();
/* Disable interrupt sources via control register. */
__local_ctl_store(0, 15, cregs);
- cregs[0] &= ~0x0000ee70UL; /* disable all external interrupts */
- cregs[6] &= ~0xff000000UL; /* disable all I/O interrupts */
- cregs[14] &= ~0x1f000000UL; /* disable most machine checks */
+ cregs[0].val &= ~0x0000ee70UL; /* disable all external interrupts */
+ cregs[6].val &= ~0xff000000UL; /* disable all I/O interrupts */
+ cregs[14].val &= ~0x1f000000UL; /* disable most machine checks */
__local_ctl_load(0, 15, cregs);
clear_cpu_flag(CIF_NOHZ_DELAY);
return 0;