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Mon, 09 Mar 2026 09:47:42 -0400 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 0AFD5435AB for ; Mon, 9 Mar 2026 13:47:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 669E4C4CEF7 for ; Mon, 9 Mar 2026 13:47:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773064041; bh=x2p9sfsUBTUAYtkqoTf6MRparRAy9QhO3P2K4BkAkCQ=; h=From:To:Subject:Date:In-Reply-To:References:From; b=rx4k/uyySmXb05PHPRRl3d9HDzmoTI055ZTZnPIm2wQ15TkwkieZSGLenlZXX7P08 vuhhDMbANUYHcDbj5kgcNHqm083XUbYTnCTcuMJigMHnrYf3BG71Q1Crykc9H+NKMO C3W4CLYr3NMFC3BFdqQNKWLjiaNY2LMiHyBXsMFPq1YuwimakeG7wlgwU1W3zHTfPu bc+eMK45W/+PDf4MMlasws4S3R1UFF7q8+40tDOXKMSmtx45BZPHv2DFdEIfLTXiq9 0yv6wTK9DAcfFuDUFdJINceSb7t64fg1/wztu9vUIXPlJgZ76eVEFDZtXdXTExUNj+ 4hze49tkSpt7A== From: Helge Deller To: qemu-devel@nongnu.org Subject: [PULL 08/10] tests/tcg/multiarch/test-mmap: Print more details Date: Mon, 9 Mar 2026 14:47:09 +0100 Message-ID: <20260309134711.5312-9-deller@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260309134711.5312-1-deller@kernel.org> References: <20260309134711.5312-1-deller@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2600:3c0a:e001:78e:0:1991:8:25; envelope-from=deller@kernel.org; helo=sea.source.kernel.org X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @kernel.org) X-ZM-MESSAGEID: 1773064089677158500 Content-Type: text/plain; charset="utf-8" From: Bingwu Zhang Useful for debugging Signed-off-by: Bingwu Zhang Signed-off-by: Helge Deller --- tests/tcg/multiarch/test-mmap.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/tests/tcg/multiarch/test-mmap.c b/tests/tcg/multiarch/test-mma= p.c index e297f4b1e9..88f7a04101 100644 --- a/tests/tcg/multiarch/test-mmap.c +++ b/tests/tcg/multiarch/test-mmap.c @@ -442,19 +442,19 @@ void check_invalid_mmaps(void) =20 /* Attempt to map a zero length page. */ addr =3D mmap(NULL, 0, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); - fprintf(stdout, "%s addr=3D%p", __func__, (void *)addr); + fprintf(stdout, "%s addr=3D%p errno=3D%d\n", __func__, (void *)addr, e= rrno); fail_unless(addr =3D=3D MAP_FAILED); fail_unless(errno =3D=3D EINVAL); =20 /* Attempt to map a over length page. */ addr =3D mmap(NULL, -4, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); - fprintf(stdout, "%s addr=3D%p", __func__, (void *)addr); + fprintf(stdout, "%s addr=3D%p errno=3D%d\n", __func__, (void *)addr, e= rrno); fail_unless(addr =3D=3D MAP_FAILED); fail_unless(errno =3D=3D ENOMEM); =20 /* Attempt to remap a region which exceeds the bounds of memory. */ addr =3D mremap((void *)((uintptr_t)pagesize * 10), SIZE_MAX & ~(size_= t)pagemask, pagesize, 0); - fprintf(stdout, "%s mremap addr=3D%p", __func__, (void *)addr); + fprintf(stdout, "%s mremap addr=3D%p errno=3D%d\n", __func__, (void *)= addr, errno); fail_unless(addr =3D=3D MAP_FAILED); fail_unless(errno =3D=3D EFAULT); =20 @@ -465,8 +465,11 @@ void check_shrink_mmaps(void) { unsigned char *a, *b, *c; a =3D mmap(NULL, pagesize * 2, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS,= -1, 0); + fprintf(stdout, "%s addr=3D%p errno=3D%d\n", __func__, (void *)a, errn= o); b =3D mmap(NULL, pagesize * 2, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS,= -1, 0); + fprintf(stdout, "%s addr=3D%p errno=3D%d\n", __func__, (void *)b, errn= o); c =3D mmap(NULL, pagesize * 2, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS,= -1, 0); + fprintf(stdout, "%s addr=3D%p errno=3D%d\n", __func__, (void *)c, errn= o); =20 fail_unless(a !=3D MAP_FAILED); fail_unless(b !=3D MAP_FAILED); @@ -479,6 +482,7 @@ void check_shrink_mmaps(void) =20 /* Shrink the middle mapping in-place; the others should be unaffected= */ b =3D mremap(b, pagesize * 2, pagesize, 0); + fprintf(stdout, "%s mremap addr=3D%p errno=3D%d\n", __func__, (void *)= b, errno); fail_unless(b !=3D MAP_FAILED); =20 /* Ensure we can still access all valid mappings */ @@ -489,6 +493,8 @@ void check_shrink_mmaps(void) munmap(a, 2 * pagesize); munmap(b, pagesize); munmap(c, 2 * pagesize); + + fprintf(stdout, " passed\n"); } =20 int main(int argc, char **argv) --=20 2.53.0