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authorIngo Molnar <mingo@kernel.org>2018-02-06 21:12:31 +0100
committerIngo Molnar <mingo@kernel.org>2018-02-06 21:12:31 +0100
commit82845079160817cc6ac64e5321bbd935e0a47b3a (patch)
tree0886d1d52428e9db14536cae4b37db896e7c360a /arch/arm64/include/asm/exception.h
parent32e839dda3ba576943365f0f5817ce5c843137dc (diff)
parent68c5735eaa5e680e701c9a2d1e3c7880bdf5ab66 (diff)
Merge branch 'linus' into sched/urgent, to resolve conflicts
Conflicts: arch/arm64/kernel/entry.S arch/x86/Kconfig include/linux/sched/mm.h kernel/fork.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm64/include/asm/exception.h')
-rw-r--r--arch/arm64/include/asm/exception.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/exception.h b/arch/arm64/include/asm/exception.h
index 0c2eec490abf..bc30429d8e91 100644
--- a/arch/arm64/include/asm/exception.h
+++ b/arch/arm64/include/asm/exception.h
@@ -18,6 +18,8 @@
#ifndef __ASM_EXCEPTION_H
#define __ASM_EXCEPTION_H
+#include <asm/esr.h>
+
#include <linux/interrupt.h>
#define __exception __attribute__((section(".exception.text")))
@@ -27,4 +29,16 @@
#define __exception_irq_entry __exception
#endif
+static inline u32 disr_to_esr(u64 disr)
+{
+ unsigned int esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT;
+
+ if ((disr & DISR_EL1_IDS) == 0)
+ esr |= (disr & DISR_EL1_ESR_MASK);
+ else
+ esr |= (disr & ESR_ELx_ISS_MASK);
+
+ return esr;
+}
+
#endif /* __ASM_EXCEPTION_H */