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
--
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