44 lines
1.5 KiB
Diff
44 lines
1.5 KiB
Diff
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From f82f5ff61b8087e203a994da3911a1c5f3dee978 Mon Sep 17 00:00:00 2001
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From: Zhipeng Xie <xiezhipeng1@huawei.com>
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Date: Sun, 14 Nov 2021 19:53:22 +0800
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Subject: [PATCH 04/24] create-diff-object:support skip check func profiling
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calls
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when kernel support livepatch without ftrace, we can skip check
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func profiling calls.
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Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
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---
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kpatch-build/create-diff-object.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
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index c20f75e..7247345 100644
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--- a/kpatch-build/create-diff-object.c
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+++ b/kpatch-build/create-diff-object.c
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@@ -3773,6 +3773,7 @@ int main(int argc, char *argv[])
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struct section *sec, *symtab;
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char *orig_obj, *patched_obj, *parent_name;
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char *parent_symtab, *mod_symvers, *patch_name, *output_obj;
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+ char *no_profiling_calls = NULL;
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memset(&arguments, 0, sizeof(arguments));
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argp_parse (&argp, argc, argv, 0, NULL, &arguments);
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@@ -3824,7 +3825,12 @@ int main(int argc, char *argv[])
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kpatch_compare_correlated_elements(kelf_patched);
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kpatch_mark_ignored_functions_same(kelf_patched);
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kpatch_mark_ignored_sections_same(kelf_patched);
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- kpatch_check_func_profiling_calls(kelf_patched);
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+ no_profiling_calls = getenv("NO_PROFILING_CALLS");
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+ if (!no_profiling_calls)
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+ kpatch_check_func_profiling_calls(kelf_patched);
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+ else
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+ log_debug("NO_PROFILING_CALLS set\n");
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+
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kpatch_elf_teardown(kelf_orig);
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kpatch_elf_free(kelf_orig);
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--
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2.23.0
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