Re: [REVIEW][PATCH 03/20] signal/x86: Move MCE error reporting out of force_sig_info_fault

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Thomas Gleixner <tglx@xxxxxxxxxxxxx> writes:

> On Tue, 18 Sep 2018, Eric W. Biederman wrote:
>>  #ifdef CONFIG_MEMORY_FAILURE
>>  	if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) {
>> +		unsigned lsb = 0;
>
> Newline between variable declaration and code please.
>
>>  		printk(KERN_ERR
>>  	"MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n",
>>  			tsk->comm, tsk->pid, address);
>
> Can you please convert that to pr_err() while at it?
>
>> -		code = BUS_MCEERR_AR;
>> +		if (fault & VM_FAULT_HWPOISON_LARGE)
>> +			lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault));
>> +		if (fault & VM_FAULT_HWPOISON)
>> +			lsb = PAGE_SHIFT;
>> +		force_sig_mceerr(BUS_MCEERR_AR, (void __user *)address, lsb, tsk);
>> +		return;
>>  	}
>
> With that fixed:
>
> Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

Fixes applied.

Eric




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