Hello Ley Foon,
On Apr 18, Ley Foon Tan wrote:
> +
> +bad_area_nosemaphore:
> + /* User mode accesses just cause a SIGSEGV */
> + if (user_mode(regs)) {
I found that it's useful to add some printing here, just as ARM
does. I carry this patch on my kernel:
+ printk(KERN_INFO "%s: unhandled page fault (%d) at 0x%08lx,
cause %ld\n",
+ current->comm, SIGSEGV, address, cause);
+ show_regs(regs);
Do you think we could do something like it? Maybe with a compile time option?
> + _exception(SIGSEGV, regs, code, address);
> + return;
> + }
> +
--
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com
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