修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/arch/x86/include/asm/arch_hweight.h
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..
@@ -5,26 +5,18 @@
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 #include <asm/cpufeatures.h>
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 #ifdef CONFIG_64BIT
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-/* popcnt %edi, %eax */
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-#define POPCNT32 ".byte 0xf3,0x0f,0xb8,0xc7"
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-/* popcnt %rdi, %rax */
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-#define POPCNT64 ".byte 0xf3,0x48,0x0f,0xb8,0xc7"
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 #define REG_IN "D"
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 #define REG_OUT "a"
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 #else
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-/* popcnt %eax, %eax */
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-#define POPCNT32 ".byte 0xf3,0x0f,0xb8,0xc0"
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 #define REG_IN "a"
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 #define REG_OUT "a"
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 #endif
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-
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-#define __HAVE_ARCH_SW_HWEIGHT
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 static __always_inline unsigned int __arch_hweight32(unsigned int w)
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 {
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 	unsigned int res;
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-	asm (ALTERNATIVE("call __sw_hweight32", POPCNT32, X86_FEATURE_POPCNT)
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+	asm (ALTERNATIVE("call __sw_hweight32", "popcntl %1, %0", X86_FEATURE_POPCNT)
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 			 : "="REG_OUT (res)
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 			 : REG_IN (w));
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..
..
@@ -52,7 +44,7 @@
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 {
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 	unsigned long res;
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-	asm (ALTERNATIVE("call __sw_hweight64", POPCNT64, X86_FEATURE_POPCNT)
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+	asm (ALTERNATIVE("call __sw_hweight64", "popcntq %1, %0", X86_FEATURE_POPCNT)
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 			 : "="REG_OUT (res)
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 			 : REG_IN (w));
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