Date: Fri, 24 Apr 2026 13:28:39 +0000 From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 75c66218401c - main - tests/posixshm: Check for hardware support in largepage_pkru Message-ID: <69eb7007.1eadc.271c32df@gitrepo.freebsd.org>
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The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=75c66218401c00f4728d5312e2b933b8d3aefde1 commit 75c66218401c00f4728d5312e2b933b8d3aefde1 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2026-04-24 13:23:03 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2026-04-24 13:23:03 +0000 tests/posixshm: Check for hardware support in largepage_pkru MFC after: 3 days Fixes: ca87c0b8e396 ("pkru: Fix handling of 1GB largepage mappings") --- tests/sys/posixshm/posixshm_test.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tests/sys/posixshm/posixshm_test.c b/tests/sys/posixshm/posixshm_test.c index 8333faa90594..fe6386c6aa4b 100644 --- a/tests/sys/posixshm/posixshm_test.c +++ b/tests/sys/posixshm/posixshm_test.c @@ -39,6 +39,8 @@ #include <sys/wait.h> #ifdef __amd64__ +#include <machine/cpufunc.h> +#include <machine/specialreg.h> #include <machine/sysarch.h> #endif @@ -1966,6 +1968,14 @@ ATF_TC_BODY(largepage_pkru, tc) struct sigaction sa; char *addr, *addr1; int error, fd, pscnt; + u_int regs[4]; + + do_cpuid(0, regs); + if (regs[0] < 7) + atf_tc_skip("PKU not supported"); + cpuid_count(7, 0, regs); + if ((regs[2] & CPUID_STDEXT2_PKU) == 0) + atf_tc_skip("PKU not supported"); memset(&sa, 0, sizeof(sa)); sa.sa_sigaction = sigsegv;home | help
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