[RFC PATCH 8/9] powerpc/mce: Move 64-bit machine check code into mce.c
Michael Ellerman
mpe at ellerman.id.au
Fri Feb 17 17:32:18 AEDT 2017
We already have mce.c which is built for 64bit and contains other parts
of the machine check code, so move these bits in there too.
Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
---
arch/powerpc/kernel/mce.c | 35 +++++++++++++++++++++++++++++++++++
arch/powerpc/kernel/traps.c | 35 -----------------------------------
2 files changed, 35 insertions(+), 35 deletions(-)
diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c
index c6923ff45131..edca4ee0ef93 100644
--- a/arch/powerpc/kernel/mce.c
+++ b/arch/powerpc/kernel/mce.c
@@ -22,11 +22,14 @@
#undef DEBUG
#define pr_fmt(fmt) "mce: " fmt
+#include <linux/hardirq.h>
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/percpu.h>
#include <linux/export.h>
#include <linux/irq_work.h>
+
+#include <asm/machdep.h>
#include <asm/mce.h>
static DEFINE_PER_CPU(int, mce_nest_count);
@@ -348,3 +351,35 @@ uint64_t get_mce_fault_addr(struct machine_check_event *evt)
return 0;
}
EXPORT_SYMBOL(get_mce_fault_addr);
+
+/*
+ * This function is called in real mode. Strictly no printk's please.
+ *
+ * regs->nip and regs->msr contains srr0 and ssr1.
+ */
+long machine_check_early(struct pt_regs *regs)
+{
+ long handled = 0;
+
+ __this_cpu_inc(irq_stat.mce_exceptions);
+
+ add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
+
+ if (cur_cpu_spec && cur_cpu_spec->machine_check_early)
+ handled = cur_cpu_spec->machine_check_early(regs);
+ return handled;
+}
+
+long hmi_exception_realmode(struct pt_regs *regs)
+{
+ __this_cpu_inc(irq_stat.hmi_exceptions);
+
+ wait_for_subcore_guest_exit();
+
+ if (ppc_md.hmi_exception_early)
+ ppc_md.hmi_exception_early(regs);
+
+ wait_for_tb_resync();
+
+ return 0;
+}
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 9315d925d49d..fb753cc81bc0 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -293,41 +293,6 @@ void system_reset_exception(struct pt_regs *regs)
/* What should we do here? We could issue a shutdown or hard reset. */
}
-#ifdef CONFIG_PPC64
-/*
- * This function is called in real mode. Strictly no printk's please.
- *
- * regs->nip and regs->msr contains srr0 and ssr1.
- */
-long machine_check_early(struct pt_regs *regs)
-{
- long handled = 0;
-
- __this_cpu_inc(irq_stat.mce_exceptions);
-
- add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
-
- if (cur_cpu_spec && cur_cpu_spec->machine_check_early)
- handled = cur_cpu_spec->machine_check_early(regs);
- return handled;
-}
-
-long hmi_exception_realmode(struct pt_regs *regs)
-{
- __this_cpu_inc(irq_stat.hmi_exceptions);
-
- wait_for_subcore_guest_exit();
-
- if (ppc_md.hmi_exception_early)
- ppc_md.hmi_exception_early(regs);
-
- wait_for_tb_resync();
-
- return 0;
-}
-
-#endif
-
/*
* I/O accesses can cause machine checks on powermacs.
* Check if the NIP corresponds to the address of a sync
--
2.7.4
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