Messages in this thread Patch in this message | | | Date | Thu, 24 Nov 2022 10:47:34 +0000 | From | Mark Rutland <> | Subject | Re: [PATCH v2] arm64: armv8_deprecated: fix unused-function error |
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On Thu, Nov 24, 2022 at 02:24:29AM +0000, Ren Zhijie wrote: > If CONFIG_SWP_EMULATION is not set and > CONFIG_CP15_BARRIER_EMULATION is not set, > aarch64-linux-gnu complained about unused-function : > > arch/arm64/kernel/armv8_deprecated.c:67:21: error: ‘aarch32_check_condition’ defined but not used [-Werror=unused-function] > static unsigned int aarch32_check_condition(u32 opcode, u32 psr) > ^~~~~~~~~~~~~~~~~~~~~~~ > cc1: all warnings being treated as errors > > To fix this warning, modify aarch32_check_condition() with __maybe_unused. > > Fixes: 0c5f416219da ("arm64: armv8_deprecated: move aarch32 helper earlier") > Signed-off-by: Ren Zhijie <renzhijie2@huawei.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Mark.
> --- > Changes in v2: > - modify aarch32_check_condition() with __maybe_unused. > > arch/arm64/kernel/armv8_deprecated.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c > index ed0788cf6bbb..8a9052cf3013 100644 > --- a/arch/arm64/kernel/armv8_deprecated.c > +++ b/arch/arm64/kernel/armv8_deprecated.c > @@ -64,7 +64,7 @@ struct insn_emulation { > > #define ARM_OPCODE_CONDITION_UNCOND 0xf > > -static unsigned int aarch32_check_condition(u32 opcode, u32 psr) > +static unsigned int __maybe_unused aarch32_check_condition(u32 opcode, u32 psr) > { > u32 cc_bits = opcode >> 28; > > -- > 2.17.1 >
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