[RFC] asm-generic: default BUG_ON(x) to "if(x) BUG()"

Russell King - ARM Linux linux at arm.linux.org.uk
Mon Nov 23 08:37:50 PST 2015

On Mon, Nov 23, 2015 at 05:33:59PM +0100, Willy Tarreau wrote:
> I think you could do better by simply calling panic("BUG!") instead as
> BUG() does. It will avoid the printk() call and pushing the file/line
> number onto the stack. It will also probably not inflate the rodata this
> way.

Does that not depend on the architectures BUG() implementation?  If an
architecture implements it as a signalling illegal instruction and a
lookup table, changing it to be a panic() would probably be more code.

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