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| author | Xiongwei Song <sxwjean@gmail.com> | 2021-08-07 09:02:36 +0800 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-08-26 21:21:06 +1000 |
| commit | 4f8e78c0757e3c5a65d9d8ac76e2434c71a78f5a (patch) | |
| tree | 2993bcc95e5bbccf0a2101a7c6acd861f505bfec /arch/powerpc/kernel/traps.c | |
| parent | e42edf9b9d126bb1c743f2e7984877ba27f09fe7 (diff) | |
| download | linux-4f8e78c0757e3c5a65d9d8ac76e2434c71a78f5a.tar.gz | |
powerpc: Add esr as a synonym for pt_regs.dsisr
Create an anonymous union for dsisr and esr regsiters, we can reference
esr to get the exception detail when CONFIG_4xx=y or CONFIG_BOOKE=y.
Otherwise, reference dsisr. This makes code more clear.
Signed-off-by: Xiongwei Song <sxwjean@gmail.com>
[mpe: Reword commit title]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210807010239.416055-2-sxwjean@me.com
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 51d4f5faf42571..5463d201d46576 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -562,7 +562,7 @@ static inline int check_io_access(struct pt_regs *regs) #ifdef CONFIG_PPC_ADV_DEBUG_REGS /* On 4xx, the reason for the machine check or program exception is in the ESR. */ -#define get_reason(regs) ((regs)->dsisr) +#define get_reason(regs) ((regs)->esr) #define REASON_FP ESR_FP #define REASON_ILLEGAL (ESR_PIL | ESR_PUO) #define REASON_PRIVILEGED ESR_PPR |