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https://github.com/checkpoint-restore/criu.git
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304a309aed
The fail() macro provides a new line character at the end of the
message. This patch fixes the following lint check that currently
fails in CI:
$ git --no-pager grep -E '^\s*\<(pr_perror|fail)\>.*\\n"'
test/zdtm/static/thp_disable.c: fail("prctl(GET_THP_DISABLE) returned unexpected value: %d != 1\n", ret);
test/zdtm/static/thp_disable.c: fail("Flags changed %lx -> %lx\n", orig_flags, new_flags);
test/zdtm/static/thp_disable.c: fail("Madvs changed %lx -> %lx\n", orig_madv, new_madv);
test/zdtm/static/thp_disable.c: fail("post-migration prctl(GET_THP_DISABLE) returned unexpected value: %d != 1\n", ret);
test/zdtm/static/thp_disable.c: fail("Flags changed %lx -> %lx\n", orig_flags, new_flags);
test/zdtm/static/thp_disable.c: fail("Madvs changed %lx -> %lx\n", orig_madv, new_madv);
Fixes: #2193
Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>
102 lines
2.2 KiB
C
102 lines
2.2 KiB
C
#include <sys/prctl.h>
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#include <sys/mman.h>
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#include "zdtmtst.h"
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#include "get_smaps_bits.h"
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#ifndef MADV_DONTDUMP
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#define MADV_DONTDUMP 16
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#endif
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const char *test_doc = "Test prctl(THP_DISABLE) behaviour";
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const char *test_author = "Mike Rapoport <rppt@linux.ibm.com>";
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#define MEM_SIZE (2 << 20)
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int main(int argc, char **argv)
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{
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unsigned long orig_flags = 0, new_flags = 0;
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unsigned long orig_madv = 0, new_madv = 0;
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void *area;
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int ret;
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test_init(argc, argv);
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area = mmap(NULL, MEM_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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if (area == MAP_FAILED) {
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pr_perror("mmap failed");
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return -1;
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}
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test_msg("Fetch existing flags/adv\n");
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if (get_smaps_bits((unsigned long)area, &orig_flags, &orig_madv))
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return -1;
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if (prctl(PR_SET_THP_DISABLE, 1, 0, 0, 0)) {
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pr_perror("Disabling THP failed");
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return -1;
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}
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ret = prctl(PR_GET_THP_DISABLE, 0, 0, 0, 0);
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if (ret < 0) {
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pr_perror("Getting THP-disabled flag failed");
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return -1;
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}
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if (ret != 1) {
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errno = 0;
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fail("prctl(GET_THP_DISABLE) returned unexpected value: %d != 1", ret);
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return -1;
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}
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test_msg("Fetch pre-migration flags/adv\n");
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if (get_smaps_bits((unsigned long)area, &new_flags, &new_madv))
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return -1;
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errno = 0;
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if (orig_flags != new_flags) {
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fail("Flags changed %lx -> %lx", orig_flags, new_flags);
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return -1;
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}
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if (orig_madv != new_madv) {
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fail("Madvs changed %lx -> %lx", orig_madv, new_madv);
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return -1;
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}
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test_daemon();
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test_waitsig();
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ret = prctl(PR_GET_THP_DISABLE, 0, 0, 0, 0);
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if (ret < 0) {
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pr_perror("Getting post-migration THP-disabled flag failed");
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return -1;
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}
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if (ret != 1) {
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errno = 0;
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fail("post-migration prctl(GET_THP_DISABLE) returned unexpected value: %d != 1", ret);
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return -1;
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}
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if (prctl(PR_SET_THP_DISABLE, 0, 0, 0, 0)) {
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pr_perror("Enabling THP failed");
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return -1;
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}
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test_msg("Fetch restored flags/adv\n");
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if (get_smaps_bits((unsigned long)area, &new_flags, &new_madv))
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return -1;
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errno = 0;
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if (orig_flags != new_flags) {
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fail("Flags changed %lx -> %lx", orig_flags, new_flags);
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return -1;
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}
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if (orig_madv != new_madv) {
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fail("Madvs changed %lx -> %lx", orig_madv, new_madv);
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return -1;
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}
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pass();
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return 0;
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}
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