Re: [PATCH V4 1/2] ACPI / EC: Fix broken 64bit big-endian users of 'global_lock'

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Friday, September 25, 2015 10:18:13 PM Rafael J. Wysocki wrote:
> On Friday, September 25, 2015 09:41:37 AM Viresh Kumar wrote:
> > global_lock is defined as an unsigned long and accessing only its lower
> > 32 bits from sysfs is incorrect, as we need to consider other 32 bits
> > for big endian 64 bit systems. There are no such platforms yet, but the
> > code needs to be robust for such a case.
> > 
> > Fix that by passing a local variable to debugfs_create_bool() and
> > assigning its value to global_lock later.
> > 
> > Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> 
> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> 
> Greg, please take this one if the [2/2] looks good to you.

Ouch, turns out it was a bad idea.  Please scratch that.

Thanks,
Rafael

--
To unsubscribe from this list: send the line "unsubscribe linux-doc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux