Re: Linux-2.6.13-rc7

From: Al Viro (viro_at_parcelfarce.linux.theplanet.co.uk)
Date: 08/25/05

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    Date:	Thu, 25 Aug 2005 20:07:55 +0100
To: Alexey Dobriyan <adobriyan@gmail.com>

    On Thu, Aug 25, 2005 at 11:27:32AM +0400, Alexey Dobriyan wrote:
    > Mine is alpha-unknown-linux-gnu-gcc (GCC) 3.4.4 (Gentoo 3.4.4)
    >
    > > Which place triggers it in your build?
    >
    > net/ipv4/route.c:3152, call to rt_hash_lock_init().
    >
    > >From preprocessed source (reformatted):
    > -----------------------------------------------------------------------
    > typedef struct {
    > volatile unsigned int lock;
    >
    > int on_cpu;
    > int line_no;
    > void *previous;
    > struct task_struct * task;
    > const char *base_file;
    > } spinlock_t;
    >
    > static inline void *kmalloc(size_t size, unsigned int flags)

    Oh, lovely...

    a) gcc4 on alpha refuses to make that inline
    b) bug is real, indeed - spinlock debugging + >32 CPU => panic in ip_rt_init()

    IMO that's a question to rth: why do we really need to block always_inline
    on alpha?

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