On Tue, Dec 19, 2017 at 01:55:59PM -0800, Andrew Morton wrote:
> On Tue, 19 Dec 2017 13:39:22 -0800 Vineet Gupta
> wrote:
>
> > Hmm, I realize there's a small gotcha with this, when testing with a
> > different
> > patch from Arnd. This needs an EXPORT_SYMBOL() as well !
>
> Yup. This?
Y
On Tue, 19 Dec 2017 13:39:22 -0800 Vineet Gupta
wrote:
> > --- a/kernel/exit.c
> > +++ b/kernel/exit.c
> > @@ -1759,3 +1759,11 @@ long kernel_wait4(pid_t upid, int __user *stat_addr,
> > int options,
> > return -EFAULT;
> > }
> > #endif
> > +
> > +__weak void abort(void)
> > +{
> > +
On 12/12/2017 02:49 PM, Sudip Mukherjee wrote:
gcc toggle -fisolate-erroneous-paths-dereference (default at -O2
onwards) isolates faulty code paths such as null pointer access, divide
by zero etc. If gcc port doesnt implement __builtin_trap, an abort() is
generated which causes kernel link error.
Hi Sudip,
On Tue, 2017-12-12 at 22:49 +, Sudip Mukherjee wrote:
> gcc toggle -fisolate-erroneous-paths-dereference (default at -O2
> onwards) isolates faulty code paths such as null pointer access, divide
> by zero etc. If gcc port doesnt implement __builtin_trap, an abort() is
> generated whi
