On Thu, Sep 25, 2014 at 10:51:10AM +0100, Geert Uytterhoeven wrote: > On Thu, Sep 25, 2014 at 11:33 AM, Will Deacon <[email protected]> wrote: > >> Putting them here means they won't have any multiple include protection > >> (there is no "#ifndef _IO_H" around them). Doesn't seem to lead to > >> any problems in practice. Just flagging it... > > > > That's easy enough to fix, and actually, we should have __KERNEL__ checks > > here too. Fixup below. > > Why do we need __KERNEL__ checks? <asm/io.h> is not exported. > BTW, it seems there are many __KERNEL__ checks in arch/*/include/asm/ > we don't need. > > Or do I need more coffee?
No, I think you're quite right. I just saw the __KERNEL__ checks in io_no.h and io_mm.h -- the latter even has some code outside of the guards: #endif /* __KERNEL__ */ #define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1 /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem * access */ #define xlate_dev_mem_ptr(p) __va(p) /* * Convert a virtual cached pointer to an uncached pointer */ #define xlate_dev_kmem_ptr(p) p #define ioport_map(port, nr) ((void __iomem *)(port)) #endif /* _IO_H */ Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
