Re: [PATCH 08/10] Use __kernel_ulong_t in struct msqid64_ds

[H. Peter Anvin]

It looks like MIPS has a private definition of struct msqid64_ds, as do
most other architectures; the MIPS one is completely broken for user
space usages as it uses CONFIG_* macros:

#if defined(CONFIG_32BIT) && !defined(CONFIG_CPU_LITTLE_ENDIAN)
        unsigned long   __unused2;
#endif
        __kernel_time_t msg_rtime;      /* last msgrcv time */
#if defined(CONFIG_32BIT) && defined(CONFIG_CPU_LITTLE_ENDIAN)
        unsigned long   __unused2;
#endif

It looks like the only users of asm-generic here are:

arch/microblaze/include/asm/msgbuf.h:#include <asm-generic/msgbuf.h>
arch/score/include/asm/msgbuf.h:#include <asm-generic/msgbuf.h>
arch/sh/include/asm/msgbuf.h:#include <asm-generic/msgbuf.h>
arch/x86/include/asm/msgbuf.h:#include <asm-generic/msgbuf.h>

... and unless I'm mistaken, x86 is the only one of those which isn't 32
bits only, which explains the reason it "works"...

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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