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From: Jinjie Ruan <ruanjinjie@huawei.com>
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CC: <ruanjinjie@huawei.com>
Subject: [PATCH v5.15 15/15] arm64: armv8_deprecated: fix unused-function
error
Date: Wed, 11 Oct 2023 10:06:55 +0000
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| Series |
arm64: Fix a concurrency issue in emulation_proc_handler()
|
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Commit Message
Jinjie Ruan
Oct. 11, 2023, 10:06 a.m. UTC
From: Ren Zhijie <renzhijie2@huawei.com> commit 223d3a0d30b6e9f979f5642e430e1753d3e29f89 upstream. 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> Link: https://lore.kernel.org/r/20221124022429.19024-1-renzhijie2@huawei.com Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> --- 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 758008020b59..91eabe56093d 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;