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authorIan Rogers <[email protected]>2023-05-26 11:33:47 -0700
committerArnaldo Carvalho de Melo <[email protected]>2023-05-28 10:21:13 -0300
commitb1d870a8bbd8389823a86f33c7832afc442be353 (patch)
tree78403608a0ec193a50d0c33b06b9650c8e5e2e99
parent5c6e7c21ae94bd01cd2a808f806dace6b31956f3 (diff)
perf test x86: insn-x86 test data is immutable so mark it const
This allows the movement of some sizeable data arrays (168,624 bytes) to .data.relro. Without PIE or the strings it could be moved to .rodata. Signed-off-by: Ian Rogers <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: K Prateek Nayak <[email protected]> Cc: Kan Liang <[email protected]> Cc: Leo Yan <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paolo Bonzini <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Ravi Bangoria <[email protected]> Cc: Ross Zwisler <[email protected]> Cc: Sean Christopherson <[email protected]> Cc: Steven Rostedt (VMware) <[email protected]> Cc: Tiezhu Yang <[email protected]> Cc: Yang Jihong <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
-rw-r--r--tools/perf/arch/x86/tests/insn-x86.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/tools/perf/arch/x86/tests/insn-x86.c b/tools/perf/arch/x86/tests/insn-x86.c
index 735257d205b5..7b5eb8baf0f2 100644
--- a/tools/perf/arch/x86/tests/insn-x86.c
+++ b/tools/perf/arch/x86/tests/insn-x86.c
@@ -18,14 +18,14 @@ struct test_data {
const char *asm_rep;
};
-struct test_data test_data_32[] = {
+const struct test_data test_data_32[] = {
#include "insn-x86-dat-32.c"
{{0x0f, 0x01, 0xee}, 3, 0, NULL, NULL, "0f 01 ee \trdpkru"},
{{0x0f, 0x01, 0xef}, 3, 0, NULL, NULL, "0f 01 ef \twrpkru"},
{{0}, 0, 0, NULL, NULL, NULL},
};
-struct test_data test_data_64[] = {
+const struct test_data test_data_64[] = {
#include "insn-x86-dat-64.c"
{{0x0f, 0x01, 0xee}, 3, 0, NULL, NULL, "0f 01 ee \trdpkru"},
{{0x0f, 0x01, 0xef}, 3, 0, NULL, NULL, "0f 01 ef \twrpkru"},
@@ -97,7 +97,7 @@ static int get_branch(const char *branch_str)
return -1;
}
-static int test_data_item(struct test_data *dat, int x86_64)
+static int test_data_item(const struct test_data *dat, int x86_64)
{
struct intel_pt_insn intel_pt_insn;
int op, branch, ret;
@@ -147,9 +147,9 @@ static int test_data_item(struct test_data *dat, int x86_64)
return 0;
}
-static int test_data_set(struct test_data *dat_set, int x86_64)
+static int test_data_set(const struct test_data *dat_set, int x86_64)
{
- struct test_data *dat;
+ const struct test_data *dat;
int ret = 0;
for (dat = dat_set; dat->expected_length; dat++) {