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Exclude areas not assigned to Mckernel from direct map of all phys. memory

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It's enabled by adding -s to mcreboot.sh.

Cherry-pick of the following commit:

commit b5c13ce51a5a4926c2cf11c817cd0d369ac4402d
Author: Katsuya Horigome <katsuya.horigome.rj@ps.hitachi-solutions.com>
Date:   Mon Nov 20 09:40:41 2017 +0900

    Include measures to prevent memory destruction on Linux side (This is rebase commit for merging to development+hfi)
This commit is contained in:
Katsuya Horigome
2018-02-19 11:59:04 +09:00
committed by Masamichi Takagi
parent 221ce34da2
commit 38c3b2358a
22 changed files with 412 additions and 13 deletions
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7
kernel/init.c
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@ -123,6 +123,8 @@ char *find_command_line(char *name)
return strstr(cmdline, name);
}
extern int safe_kernel_map;
static void parse_kargs(void)
{
char *ptr;
@ -143,6 +145,11 @@ static void parse_kargs(void)
}
ihk_mc_set_dump_level(dump_level);
ptr = find_command_line("safe_kernel_map");
if (ptr) {
safe_kernel_map = 1;
}
/* idle_halt option */
ptr = find_command_line("idle_halt");
if (ptr) {