Hi, Huacai.

在 2021/9/13 上午10:59, Huacai Chen 写道:

Hi, Jackie,

On Mon, Sep 13, 2021 at 10:42 AM Jackie Liu [off-list ref] wrote:

quoted

From: Jackie Liu <redacted>

mach/loongson64 fails to build when the FPU support is disabled:

arch/mips/loongson64/cop2-ex.c:45:15: error: implicit declaration of function ‘__is_fpu_owner’; did you mean ‘is_fpu_owner’? [-Werror=implicit-function-declaration]
arch/mips/loongson64/cop2-ex.c:98:30: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:99:30: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:131:43: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:137:38: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:203:30: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:219:30: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:283:38: error: ‘struct thread_struct’ has no member named ‘fpu’
arch/mips/loongson64/cop2-ex.c:301:38: error: ‘struct thread_struct’ has no member named ‘fpu’

Fixes: ef2f826c8f2f ("MIPS: Loongson-3: Enable the COP2 usage")

I suggest moving this config option to CPU_LOONGSON64.

Looks correct, thanks for the suggestion.

--
Jackie Liu

Huacai

quoted

Reported-by: k2ci robot <redacted>
Signed-off-by: Jackie Liu <redacted>
---
  arch/mips/Kconfig | 1 +
  1 file changed, 1 insertion(+)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 24e374266fdc..1164c32fd87b 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig

@@ -487,6 +487,7 @@ config MACH_LOONGSON64
         select ISA
         select I8259
         select IRQ_MIPS_CPU
+       select MIPS_FP_SUPPORT
         select NO_EXCEPT_FILL
         select NR_CPUS_DEFAULT_64
         select USE_GENERIC_EARLY_PRINTK_8250
--

2.25.1