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Thu, 27 Aug 2020 08:05:48 +0000 (GMT) Received: from skywalker.ibmuc.com (unknown [9.102.17.9]) by b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 27 Aug 2020 08:05:48 +0000 (GMT) From: "Aneesh Kumar K.V" To: linux-mm@kvack.org, akpm@linux-foundation.org Subject: [PATCH v3 12/13] mm/debug_vm_pgtable/hugetlb: Disable hugetlb test on ppc64 Date: Thu, 27 Aug 2020 13:34:37 +0530 Message-Id: <20200827080438.315345-13-aneesh.kumar@linux.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200827080438.315345-1-aneesh.kumar@linux.ibm.com> References: <20200827080438.315345-1-aneesh.kumar@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-08-27_02:2020-08-27, 2020-08-27 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 mlxlogscore=660 malwarescore=0 adultscore=0 bulkscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2008270057 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200827_040616_639898_B1F59ABB X-CRM114-Status: GOOD ( 20.11 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Anshuman Khandual , mpe@ellerman.id.au, "Aneesh Kumar K.V" , x86@kernel.org, Mike Rapoport , Qian Cai , Gerald Schaefer , Christophe Leroy , Vineet Gupta , linux-snps-arc@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org The seems to be missing quite a lot of details w.r.t allocating the correct pgtable_t page (huge_pte_alloc()), holding the right lock (huge_pte_lock()) etc. The vma used is also not a hugetlb VMA. ppc64 do have runtime checks within CONFIG_DEBUG_VM for most of these. Hence disable the test on ppc64. Signed-off-by: Aneesh Kumar K.V --- mm/debug_vm_pgtable.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c index a188b6e4e37e..21329c7d672f 100644 --- a/mm/debug_vm_pgtable.c +++ b/mm/debug_vm_pgtable.c @@ -813,6 +813,7 @@ static void __init hugetlb_basic_tests(unsigned long pfn, pgprot_t prot) #endif /* CONFIG_ARCH_WANT_GENERAL_HUGETLB */ } +#ifndef CONFIG_PPC_BOOK3S_64 static void __init hugetlb_advanced_tests(struct mm_struct *mm, struct vm_area_struct *vma, pte_t *ptep, unsigned long pfn, @@ -855,6 +856,7 @@ static void __init hugetlb_advanced_tests(struct mm_struct *mm, pte = huge_ptep_get(ptep); WARN_ON(!(huge_pte_write(pte) && huge_pte_dirty(pte))); } +#endif #else /* !CONFIG_HUGETLB_PAGE */ static void __init hugetlb_basic_tests(unsigned long pfn, pgprot_t prot) { } static void __init hugetlb_advanced_tests(struct mm_struct *mm, @@ -1065,7 +1067,9 @@ static int __init debug_vm_pgtable(void) pud_populate_tests(mm, pudp, saved_pmdp); spin_unlock(ptl); +#ifndef CONFIG_PPC_BOOK3S_64 hugetlb_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot); +#endif spin_lock(&mm->page_table_lock); p4d_clear_tests(mm, p4dp); -- 2.26.2 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc