RE: [PATCH v4 2nd 1/4] ramoops: Add __ramoops_init_prz() as generic function
From: 岩松信洋 / IWAMATSU,NOBUHIRO
Date: Tue Feb 07 2017 - 03:51:36 EST
Hi,
Thanks for your review.
> -----Original Message-----
> From: Mark Salyzyn [mailto:salyzyn@xxxxxxxxxxx]
> Sent: Friday, February 03, 2017 7:13 AM
> To: 岩松信洋 / IWAMATSU,NOBUHIRO; Anton Vorontsov; Colin Cross; Kees Cook;
> Tony Luck
> Cc: linux-kernel@xxxxxxxxxxxxxxx; Hiraku Toyooka; 阿口誠司 / AGUCHI,
> SEIJI; Shuah Khan
> Subject: Re: [PATCH v4 2nd 1/4] ramoops: Add __ramoops_init_prz() as generic
> function
>
> On 01/30/2017 05:58 PM, Nobuhiro Iwamatsu wrote:
> > +
> > + if (zap && *paddr + sz - cxt->phys_addr > cxt->size) {
> > + dev_err(dev, "no room for %s mem region (0x%zx@0x%llx) in
> (0x%lx@0x%llx)\n",
> > + name, sz, (unsigned long long)*paddr,
> > + cxt->size, (unsigned long long)cxt->phys_addr);
> > + return -ENOMEM;
> > + }
> > +
> Why not allow this limit check for ramoops_init_prsz call?
>
This code is controlled by flag of zap.
If zap is false, __ramoops_init_prz() is worked same as original ramoops_init_przs().
Best regards,
Nobuhiro