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x86: call32: Append appropriate suffixes
Assembler is not happy:
arch/x86/cpu/call32.S: Assembler messages:
arch/x86/cpu/call32.S:36: Warning: no instruction mnemonic suffix given and no register operands; using default for `retf'
Fix this by adding appropriate suffixes to the assembler commands.
Fixes: 6f92ed8f1a
("x86: Add a way to call 32-bit code from 64-bit mode")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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parent
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@ -32,8 +32,7 @@ cpu_call32:
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push %rdi /* 32-bit code segment */
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lea compat(%rip), %rax
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push %rax
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.byte 0x48 /* REX prefix to force 64-bit far return */
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retf
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retfq
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.code32
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compat:
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/*
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@ -60,4 +59,4 @@ compat:
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/* Jump to the required target */
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pushl %edi /* 32-bit code segment */
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pushl %esi /* 32-bit target address */
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retf
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retfl
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