RE: [PATCH v8 09/10] x86, mpx: cleanup unused bound tables

[Ren, Qiaowei]

On 2014-09-11, Hansen, Dave wrote:
> On 09/11/2014 01:46 AM, Qiaowei Ren wrote:
>> + * This function will be called by do_munmap(), and the VMAs
>> + covering
>> + * the virtual address region start...end have already been split
>> + if
>> + * necessary and remvoed from the VMA list.
> 
> "remvoed" -> "removed"
> 
>> +void mpx_unmap(struct mm_struct *mm,
>> +		unsigned long start, unsigned long end) {
>> +	int ret;
>> +
>> +	ret = mpx_try_unmap(mm, start, end);
>> +	if (ret == -EINVAL)
>> +		force_sig(SIGSEGV, current);
>> +}
> 
> In the case of a fault during an unmap, this just ignores the
> situation and returns silently.  Where is the code to retry the
> freeing operation outside of mmap_sem?

Dave, you mean delayed_work code? According to our discussion, it will be deferred to another mainline post.

Thanks,
Qiaowei

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