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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
arch/x86_64/tools/mcreboot-smp-x86.sh.in
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@@ -45,11 +45,12 @@ fi
turbo=""
ihk_irq=""
safe_kernel_map=""
umask_old=`umask`
idle_halt=""
allow_oversubscribe=""
while getopts :tk:c:m:o:f:r:q:i:d:e:hO OPT
while getopts :stk:c:m:o:f:r:q:i:d:e:hO OPT
do
case ${OPT} in
f) facility=${OPTARG}
@@ -62,6 +63,8 @@ do
;;
m) mem=${OPTARG}
;;
s) safe_kernel_map="safe_kernel_map"
;;
r) ikc_map=${OPTARG}
;;
q) ihk_irq=${OPTARG}
@@ -446,7 +449,7 @@ if ! ${SBINDIR}/ihkosctl 0 load ${KERNDIR}/mckernel.img; then
fi
# Set kernel arguments
if ! ${SBINDIR}/ihkosctl 0 kargs "hidos $turbo $idle_halt dump_level=${DUMP_LEVEL} $extra_kopts $allow_oversubscribe"; then
if ! ${SBINDIR}/ihkosctl 0 kargs "hidos $turbo $safe_kernel_map $idle_halt dump_level=${DUMP_LEVEL} $extra_kopts $allow_oversubscribe"; then
echo "error: setting kernel arguments" >&2
error_exit "os_created"
fi