Date: Thu, 07 May 2026 20:40:26 +0000 From: Colin Percival <cperciva@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Cc: Mark Johnston <markj@FreeBSD.org> Subject: git: 87054ce8fb07 - releng/15.1 - tests/posixshm: Check for hardware support in largepage_pkru Message-ID: <69fcf8ba.223a4.1c3cce77@gitrepo.freebsd.org>
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The branch releng/15.1 has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=87054ce8fb0739cde2399e06af7ea083dc2a9c58 commit 87054ce8fb0739cde2399e06af7ea083dc2a9c58 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2026-04-24 13:23:03 +0000 Commit: Colin Percival <cperciva@FreeBSD.org> CommitDate: 2026-05-07 20:40:09 +0000 tests/posixshm: Check for hardware support in largepage_pkru Approved by: re (cperciva) MFC after: 3 days Fixes: ca87c0b8e396 ("pkru: Fix handling of 1GB largepage mappings") (cherry picked from commit 75c66218401c00f4728d5312e2b933b8d3aefde1) (cherry picked from commit 8988b4de4e3b85baa97fd76254e00da7d3304b35) --- 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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