Message ID | 20210428153542.2814175-9-Liam.Howlett@Oracle.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Wed, 28 Apr 2021 15:35:46 +0000 Received: from MWHPR10MB1582.namprd10.prod.outlook.com ([fe80::353a:1802:6e91:1811]) by MWHPR10MB1582.namprd10.prod.outlook.com ([fe80::353a:1802:6e91:1811%8]) with mapi id 15.20.4065.027; Wed, 28 Apr 2021 15:35:46 +0000 From: Liam Howlett <liam.howlett@oracle.com> To: "maple-tree@lists.infradead.org" <maple-tree@lists.infradead.org>, "linux-mm@kvack.org" <linux-mm@kvack.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Andrew Morton <akpm@linux-foundation.org> CC: Song Liu <songliubraving@fb.com>, Davidlohr Bueso <dave@stgolabs.net>, "Paul E . McKenney" <paulmck@kernel.org>, Matthew Wilcox <willy@infradead.org>, Laurent Dufour <ldufour@linux.ibm.com>, David Rientjes <rientjes@google.com>, Axel Rasmussen <axelrasmussen@google.com>, Suren Baghdasaryan <surenb@google.com>, Vlastimil Babka <vbabka@suse.cz>, Rik van Riel <riel@surriel.com>, Peter Zijlstra <peterz@infradead.org>, Michel Lespinasse <walken.cr@gmail.com>, Liam Howlett <liam.howlett@oracle.com> Subject: [PATCH 08/94] x86/sgx: Use vma_lookup() in sgx_encl_find() Thread-Topic: [PATCH 08/94] x86/sgx: Use vma_lookup() in sgx_encl_find() Thread-Index: AQHXPEQoV5l7mDb4p0aYXEbJUwmqHg== Date: Wed, 28 Apr 2021 15:35:46 +0000 Message-ID: <20210428153542.2814175-9-Liam.Howlett@Oracle.com> References: <20210428153542.2814175-1-Liam.Howlett@Oracle.com> In-Reply-To: <20210428153542.2814175-1-Liam.Howlett@Oracle.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.30.2 authentication-results: lists.infradead.org; dkim=none (message not signed) header.d=none;lists.infradead.org; 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Series |
Introducing the Maple Tree
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expand
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diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h index 6e74f85b6264..fec43ca65065 100644 --- a/arch/x86/kernel/cpu/sgx/encl.h +++ b/arch/x86/kernel/cpu/sgx/encl.h @@ -91,8 +91,8 @@ static inline int sgx_encl_find(struct mm_struct *mm, unsigned long addr, { struct vm_area_struct *result; - result = find_vma(mm, addr); - if (!result || result->vm_ops != &sgx_vm_ops || addr < result->vm_start) + result = vma_lookup(mm, addr); + if (!result || result->vm_ops != &sgx_vm_ops) return -EINVAL; *vma = result;
Using vma_lookup() removes the requirement to check if the address is within the returned vma. Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com> --- arch/x86/kernel/cpu/sgx/encl.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)