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With Debian clang version 19.1.7 (3+build5) there are calls to kasan_check_write() from __sev_es_nmi_complete(), which violates noinstr. Fix it by disabling GCOV for the noinstr object, as has been done for previous such instrumentation issues. Note that this file already disables __SANITIZE_ADDRESS__ and __SANITIZE_THREAD__, thus calls like kasan_check_write() ought to be nops regardless of GCOV. This has been fixed in other patches. However, to avoid any other accidental instrumentation showing up, (and since, in principle GCOV is instrumentation and hence should be disabled for noinstr code anyway), disable GCOV overall as well. Signed-off-by: Brendan Jackman <jackmanb@google.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Acked-by: Marco Elver <elver@google.com> Link: https://patch.msgid.link/20251216-gcov-inline-noinstr-v3-3-10244d154451@google.com