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

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)

test/mem_dest_prev/LTP_testcase.txt

@@ -0,0 +1,100 @@
+brk01
+clone01
+clone03
+clone04
+clone06
+clone07
+close01
+close02
+dup01
+dup02
+dup03
+dup04
+dup05
+dup06
+dup07
+fork01
+fork02
+fork03
+fork04
+fork07
+fork08
+fork09
+fork10
+fork11
+mbind01
+mem01
+mem02
+mem03
+memcpy01
+memfd_create02
+memset01
+mkdir01
+mkdir08
+mkdirat01
+mknodat01
+mmap001
+mmap01
+mmap02
+mmap03
+mmap04
+mmap06
+mmap07
+mmap08
+mmap09
+mmap12
+mmapstress02
+mmapstress04
+mmapstress05
+mremap01
+mremap05
+open01
+open03
+open04
+open06
+open07
+open09
+open13
+poll01
+posix_fadvise01
+read01
+read02
+read03
+read04
+sbrk01
+sbrk02
+sendfile02
+sendfile03
+sendfile04
+sendfile05
+sendfile06
+sendfile07
+sendfile08
+sendfile09
+semctl01
+semctl03
+semctl05
+socket01
+socket02
+stream01
+stream02
+stream03
+stream04
+stream05
+unlink05
+unlink06
+unlink07
+unlink08
+vfork01
+vfork02
+vma01
+vmsplice01
+vmsplice02
+write01
+write03
+write04
+write05
+writetest
+writev01
+writev02
+writev07

test/mem_dest_prev/README

@@ -0,0 +1,25 @@
+===================
+Advance preparation
+===================
+1)Implement patch of test_memtest_destroy.patch
+cd mckernel
+patch -p0 <  test_memtest_destroy.patch
+make
+make install
+
+
+2)Compile command execution processing
+cd mckernel/test/mem_dest_prev/mcexec_test_proc/
+make
+
+3)Write the LTP path to LTP_DIR in the configuration file
+vi config
+
+  ex) LTP_DIR=$HOME/test/mem_dest_prev/ltp/testcases/bin/
+
+
+==========
+How to run
+==========
+./go_test_McKernal.sh
+

test/mem_dest_prev/config

@@ -0,0 +1,13 @@
+MCMOD_DIR=$HOME/ppos
+LTP_DIR=$HOME/test/mem_dest_prev/ltp/testcases/bin/
+LTP_TESTCASE_FILE=LTP_testcase.txt
+MCRBT_OPT_LTP="-m 3G@0,3G@1 -s"
+USR_PROC="mcexec_test_proc/memtest_destroy"
+OS_IDX=0
+
+export MCMOD_DIR
+export LTP_DIR
+export LTP_TESTCASE_FILE
+export MCRBT_OPT_LTP
+export USR_PROC
+export OS_IDX

test/mem_dest_prev/go_test_McKernal.sh

@@ -0,0 +1,101 @@
+#!/bin/sh
+
+# read config
+source ./config
+
+#logfile="./result/test_result.log"
+
+# mcexec processのkill
+./utils/kill_mcexec.sh &> /dev/null
+
+for test_case in `ls -1 ./testcases/*.txt`
+do
+	# read testcase param
+	source ${test_case}
+	case_name=`basename ${test_case} .txt`
+	echo "####################"
+	echo "Test No:${case_name}"
+
+	# Out-of-range address Test(Before correspondence)
+	echo ">>> Out-of-range address Test(Before correspondence) Start"
+
+	# stop mckernel
+	sudo ${MCMOD_DIR}/sbin/mcstop+release.sh
+	sleep 1
+	# boot mckernel
+	echo "${MCMOD_DIR}/sbin/mcreboot.sh ${MCRBT_OPT_BEFORE%,}"
+	sudo ${MCMOD_DIR}/sbin/mcreboot.sh ${MCRBT_OPT_BEFORE%,}
+	sleep 1
+
+	echo "    ${MCMOD_DIR}/bin/mcexec ${USR_PROC}"
+	timeout -sKILL 5 ${MCMOD_DIR}/bin/mcexec ${USR_PROC}
+	STATUS=$?
+
+	echo "${MCMOD_DIR}/sbin/ihkosctl ${OS_IDX} kmsg"
+	sudo ${MCMOD_DIR}/sbin/ihkosctl ${OS_IDX} kmsg
+
+	if [ "$STATUS" -ne 21 ];
+	then
+		echo ">>> Out-of-range address Test End(Timeout!!!)"
+	else
+		echo ">>> Out-of-range address Test End"
+	fi
+
+	# Out-of-range address Test(After correspondence)
+	echo ">>> Out-of-range address(After correspondence) Test Start"
+
+	# stop mckernel
+	sudo ${MCMOD_DIR}/sbin/mcstop+release.sh
+	sleep 1
+	# boot mckernel
+	echo "${MCMOD_DIR}/sbin/mcreboot.sh ${MCRBT_OPT_AFTER%,}"
+	sudo ${MCMOD_DIR}/sbin/mcreboot.sh ${MCRBT_OPT_AFTER%,}
+	sleep 1
+
+	echo "    ${MCMOD_DIR}/bin/mcexec ${USR_PROC}"
+	timeout -sKILL 5 ${MCMOD_DIR}/bin/mcexec ${USR_PROC}
+	STATUS=$?
+
+	echo "${MCMOD_DIR}/sbin/ihkosctl ${OS_IDX} kmsg"
+	sudo ${MCMOD_DIR}/sbin/ihkosctl ${OS_IDX} kmsg
+
+	if [ "$STATUS" -ne 21 ];
+	then
+		echo ">>> Out-of-range address Test End(Timeout!!!)"
+	else
+		echo ">>> Out-of-range address Test End"
+	fi
+done
+
+### LTP START ##################################################
+# stop mckernel
+sudo ${MCMOD_DIR}/sbin/mcstop+release.sh
+sleep 1
+
+# boot mckernel
+echo "${MCMOD_DIR}/sbin/mcreboot.sh ${MCRBT_OPT_LTP%,}"
+sudo ${MCMOD_DIR}/sbin/mcreboot.sh ${MCRBT_OPT_LTP%,}
+sleep 1
+
+if [ ! -e "/dev/mcos0" ]; then
+	echo "Error: failed to mcreboot"
+	exit 1
+fi
+
+
+TEST_NUM=`wc -l ${LTP_TESTCASE_FILE} | awk '{print $1}'`
+echo ">>> LTP Test Start( $TEST_NUM counts )"
+
+# exec mckernel test program
+COUNT=0
+while read line
+do 
+	((COUNT++))
+	echo "$COUNT:${MCMOD_DIR}/bin/mcexec ${LTP_DIR}$line"
+#	${MCMOD_DIR}/bin/mcexec ${LTP_DIR}$line &>> ${logfile}
+	${MCMOD_DIR}/bin/mcexec ${LTP_DIR}$line
+done < ${LTP_TESTCASE_FILE}
+
+echo ">>> LTP Test End"
+### LTP END ####################################################
+

test/mem_dest_prev/mcexec_test_proc/Makefile

@@ -0,0 +1,7 @@
+OBJS = memtest_destroy
+
+all:$(OBJS)
+
+clean:
+	rm $(OBJS)
+

test/mem_dest_prev/mcexec_test_proc/memtest_destroy.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+#define _GNU_SOURCE
+#include <unistd.h>
+#include <sys/syscall.h>
+
+main() {
+	int rst = 0;
+	
+	rst = syscall(950);
+	printf("mem_destroy result:%d\n",rst);
+
+	return;
+}

test/mem_dest_prev/test_memtest_destroy.patch

@@ -0,0 +1,50 @@
+diff --git arch/x86/kernel/include/syscall_list.h arch/x86/kernel/include/syscall_list.h
+index 42d1e2e..f5769b8 100644
+--- arch/x86/kernel/include/syscall_list.h
++++ arch/x86/kernel/include/syscall_list.h
+@@ -156,5 +156,7 @@ SYSCALL_HANDLED(__NR_profile, profile)
+ SYSCALL_HANDLED(730, util_migrate_inter_kernel)
+ SYSCALL_HANDLED(731, util_indicate_clone)
+ SYSCALL_HANDLED(732, get_system)
++/* McKernel Specific */
++SYSCALL_HANDLED(950, mem_destroy)
+ 
+ /**** End of File ****/
+diff --git arch/x86/kernel/syscall.c arch/x86/kernel/syscall.c
+index 2260b66..e96776a 100644
+--- arch/x86/kernel/syscall.c
++++ arch/x86/kernel/syscall.c
+@@ -1887,4 +1887,33 @@ save_uctx(void *uctx, struct x86_user_context *regs)
+ 	ctx->fregsize = 0;
+ }
+ 
++
++#define ADD_ADDR_VAL 0x400
++SYSCALL_DECLARE(mem_destroy)
++{
++	int rst = 0;
++	int mem_chunks_num, chunk_id, get_numa_id;
++	unsigned long get_start, get_end;
++	unsigned long *addr;
++
++	mem_chunks_num = ihk_mc_get_nr_memory_chunks();
++	kprintf("%s: memory chunk %d.\n", __FUNCTION__, mem_chunks_num);
++
++	for (chunk_id = 0; chunk_id < mem_chunks_num; chunk_id++) {
++		rst = ihk_mc_get_memory_chunk(chunk_id, &get_start, &get_end, &get_numa_id);
++		kprintf("%s: mem chunk[%d] numa ID(%d)\n"
++			,__FUNCTION__ ,chunk_id ,get_numa_id);
++		kprintf("    phys(0x%lx - 0x%lx) virt(0x%lx - 0x%lx)\n"
++			,get_start ,get_end ,phys_to_virt(get_start) ,phys_to_virt(get_end));
++	}
++
++	addr  = phys_to_virt(get_end + ADD_ADDR_VAL);
++#if 1 
++	*addr = 0x1;
++#endif     
++	kprintf("%s: Address out of range  0x%lx(val:%d)\n",__FUNCTION__ ,addr ,*addr);
++
++	return rst;
++}
++
+ /*** End of File ***/

test/mem_dest_prev/testcases/0001.txt

@@ -0,0 +1,2 @@
+MCRBT_OPT_BEFORE="-m `./utils/gen_mem_chunks.sh "0 1" 3G 1`"
+MCRBT_OPT_AFTER="-m `./utils/gen_mem_chunks.sh "0 1" 3G 1` -s"

test/mem_dest_prev/testcases/0002.txt

@@ -0,0 +1,2 @@
+MCRBT_OPT_BEFORE="-m `./utils/gen_mem_chunks.sh "0 1" 32M 2`"
+MCRBT_OPT_AFTER="-m `./utils/gen_mem_chunks.sh "0 1" 32M 2` -s"

test/mem_dest_prev/testcases/0003.txt

@@ -0,0 +1,2 @@
+MCRBT_OPT_BEFORE="-m `./utils/gen_mem_chunks.sh "0 1" 32M 4`"
+MCRBT_OPT_AFTER="-m `./utils/gen_mem_chunks.sh "0 1" 32M 4` -s"

test/mem_dest_prev/testcases/0004.txt

@@ -0,0 +1,2 @@
+MCRBT_OPT_BEFORE="-m `./utils/gen_mem_chunks.sh "0 1" 32M 8`"
+MCRBT_OPT_AFTER="-m `./utils/gen_mem_chunks.sh "0 1" 32M 8` -s"

test/mem_dest_prev/testcases/0005.txt

@@ -0,0 +1,2 @@
+MCRBT_OPT_BEFORE="-m `./utils/gen_mem_chunks.sh "0 1" 32M 16`"
+MCRBT_OPT_AFTER="-m `./utils/gen_mem_chunks.sh "0 1" 32M 16` -s"

test/mem_dest_prev/testcases/0006.txt

@@ -0,0 +1,2 @@
+MCRBT_OPT_BEFORE="-m `./utils/gen_mem_chunks.sh "0 1" 32M 32`"
+MCRBT_OPT_AFTER="-m `./utils/gen_mem_chunks.sh "0 1" 32M 32` -s"

test/mem_dest_prev/testcases/0007.txt

@@ -0,0 +1,2 @@
+MCRBT_OPT_BEFORE="-m `./utils/gen_mem_chunks.sh "0 1" 32M 48`"
+MCRBT_OPT_AFTER="-m `./utils/gen_mem_chunks.sh "0 1" 32M 48` -s"

test/mem_dest_prev/testcases/0008.txt

@@ -0,0 +1,2 @@
+MCRBT_OPT_BEFORE="-m `./utils/gen_mem_chunks.sh "0 1" 32M 64`"
+MCRBT_OPT_AFTER="-m `./utils/gen_mem_chunks.sh "0 1" 32M 64` -s"

test/mem_dest_prev/testcases/0009.txt

@@ -0,0 +1,2 @@
+MCRBT_OPT_BEFORE="-m `./utils/gen_mem_chunks.sh "0 1" 32M 96`"
+MCRBT_OPT_AFTER="-m `./utils/gen_mem_chunks.sh "0 1" 32M 96` -s"

test/mem_dest_prev/testcases/0010.txt

@@ -0,0 +1,2 @@
+MCRBT_OPT_BEFORE="-m `./utils/gen_mem_chunks.sh "0 1" 32M 128`"
+MCRBT_OPT_AFTER="-m `./utils/gen_mem_chunks.sh "0 1" 32M 128` -s"

test/mem_dest_prev/utils/gen_mem_chunks.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+NUMAS=$1
+MEM_SIZE=$2
+REP=$3
+CHUNKS=""
+
+for numa in ${NUMAS}
+do
+	for rep in `seq 1 ${REP}`
+	do
+		CHUNKS="${CHUNKS}${MEM_SIZE}@${numa},"
+	done
+done
+
+echo ${CHUNKS%,}

test/mem_dest_prev/utils/kill_mcexec.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+count=`pgrep -c -f 'mcexec '`
+if [ ${count} -gt 0 ]
+then
+	echo "kill process :" ${count}
+	pgrep -l -f 'mcexec '
+	pgrep -f 'mcexec ' | xargs kill -9
+fi
+