Hello.
On 05/31/2013 08:54 PM, Joe Perches wrote:
Don't use a standalone gcc compiled program to
determine what the kernel outputs.
[]
The kernel output is;
printk("0x%lx\n", 0x100ul) 0x100
printk("%p\n", (void *)0x100ul) 00000100
printk("%#p\n", (void *)0x100ul) 0x00000100
The last one isn't used at all in kernel source. (gcc complains)
It's always "0x%p"
I was talking about using "%#lx", not "%#p". I don't see it in your
example.
"0x%lx" and "%#lx" produce the same output in the kernel.
The latter isn't used very often though.
It's already used in the same format string in this case. That's why
I suggested
not to deviate from the existing code.
WBR, Sergei
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