lkml.org 
[lkml]   [2015]   [Jul]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH 09/16] PM / hibernate: Reserve swsusp key and earse footprints
Typo in patch subject.

> And for earsing footbprints, the codes in this patch remove setup

And two typos here.

> data that carried swsusp key, and clean the memory space that

And don't call it swsusp. Please fix globally.

> +++ b/arch/x86/power/hibernate_keys.c
> @@ -0,0 +1,79 @@
> +/* Swsusp keys handler
> + *
> + * Copyright (C) 2015 SUSE Linux Products GmbH. All rights

Are you sure?

> +static int __init init_hibernate_keys(void)
> +{
> + struct swsusp_keys *keys;
> + int ret = 0;
> +
> + if (!keys_phys_addr)
> + return -ENODEV;
> +
> + keys = early_memremap(keys_phys_addr, sizeof(struct swsusp_keys));
> +
> + /* Copy swsusp keys to a allocated page */
> + swsusp_keys = (struct swsusp_keys *)get_zeroed_page(GFP_KERNEL);
> + if (swsusp_keys) {
> + *swsusp_keys = *keys;
> + } else {
> + pr_err("PM: Allocate swsusp keys page failed\n");
> + ret = -ENOMEM;
> + }
> +
> + /* Earse keys data no matter copy success or failed */
> + memset(keys, 0, sizeof(struct swsusp_keys));
> + early_memunmap(keys, sizeof(struct swsusp_keys));
> + memblock_free(keys_phys_addr, sizeof(struct swsusp_keys));
> + keys_phys_addr = 0;
> +
> + return ret;
> +}
> +
> +late_initcall(init_hibernate_keys);

init_hibernation_keys.


Pavel

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


\
 
 \ /
  Last update: 2015-07-28 14:41    [W:0.477 / U:0.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site