Re: [REVIEW][PATCH 03/20] signal/x86: Move MCE error reporting out of force_sig_info_fault
From: Thomas Gleixner
Date: Tue Sep 18 2018 - 16:19:19 EST
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>