Hi Bin,
On Tue, Sep 25, 2018 at 10:06:52AM +0800, Bin Meng wrote:
> Hi Eugeniu,
>
> On Sun, Sep 23, 2018 at 7:10 AM Eugeniu Rosca wrote:
> >
> > Hi Bin,
> >
> > jFYI, I've created https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87392
> > ("UBSAN behavior on left-shifting 1 into the sign bit is
Hi Eugeniu,
On Sun, Sep 23, 2018 at 7:10 AM Eugeniu Rosca wrote:
>
> Hi Bin,
>
> jFYI, I've created https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87392
> ("UBSAN behavior on left-shifting 1 into the sign bit is dependent on C
> standard"), to get some recommendation from GCC guys how to handle
>
Hi Bin,
jFYI, I've created https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87392
("UBSAN behavior on left-shifting 1 into the sign bit is dependent on C
standard"), to get some recommendation from GCC guys how to handle
these warnings in U-Boot.
Regards,
Eugeniu.
Hi Bin,
Apologize for the delay. I came back from vacation a few days ago.
On Tue, Sep 04, 2018 at 12:00:14PM +0800, Bin Meng wrote:
> Hi Eugeniu,
>
> On Sat, Sep 1, 2018 at 6:59 PM Eugeniu Rosca wrote:
[..]
> > Just wanted to let you know that coreboot folks are going through
> > similar
Hi Eugeniu,
On Sat, Sep 1, 2018 at 6:59 PM Eugeniu Rosca wrote:
>
> Hi there,
>
> On Tue, Aug 28, 2018 at 08:42:01AM +0200, Eugeniu Rosca wrote:
> > Hi Bin,
> >
> > cc: Masahiro, Andrey
> >
> > On Tue, Aug 28, 2018 at 10:05:51AM +0800, Bin Meng wrote:
> > > Hi Eugeniu,
> > >
> > > On Mon, Aug
Hi there,
On Tue, Aug 28, 2018 at 08:42:01AM +0200, Eugeniu Rosca wrote:
> Hi Bin,
>
> cc: Masahiro, Andrey
>
> On Tue, Aug 28, 2018 at 10:05:51AM +0800, Bin Meng wrote:
> > Hi Eugeniu,
> >
> > On Mon, Aug 27, 2018 at 7:19 AM Eugeniu Rosca
> > wrote:
> > >
> > > Fix the following UBSAN
On Tue, Aug 28, 2018 at 5:06 AM Bin Meng wrote:
> On Mon, Aug 27, 2018 at 7:19 AM Eugeniu Rosca wrote:
> > -#define MSR_IA32_APICBASE_BASE (0xf<<12)
> > +#define MSR_IA32_APICBASE_BASE (0xfUL << 12)
>
> I don't understand why such warnings is emitted: "left shift of
>
Hi Bin,
cc: Masahiro, Andrey
On Tue, Aug 28, 2018 at 10:05:51AM +0800, Bin Meng wrote:
> Hi Eugeniu,
>
> On Mon, Aug 27, 2018 at 7:19 AM Eugeniu Rosca wrote:
> >
> > Fix the following UBSAN report:
> > ==
> > UBSAN:
Hi Eugeniu,
On Mon, Aug 27, 2018 at 7:19 AM Eugeniu Rosca wrote:
>
> Fix the following UBSAN report:
> ==
> UBSAN: Undefined behaviour in arch/x86/cpu/lapic.c:73:14
> left shift of 1048575 by 12 places cannot be represented
Fix the following UBSAN report:
==
UBSAN: Undefined behaviour in arch/x86/cpu/lapic.c:73:14
left shift of 1048575 by 12 places cannot be represented in type 'int'
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