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From: Peter Xu <peterx@redhat.com>
To: kvm@vger.kernel.org
Cc: jan.kiszka@web.de, agordeev@redhat.com, drjones@redhat.com,
	rkrcmar@redhat.com, pbonzini@redhat.com, peterx@redhat.com
Subject: [kvm-unit-tests PATCH 05/14] page: add page alignment checker
Date: Fri, 14 Oct 2016 20:40:43 +0800	[thread overview]
Message-ID: <1476448852-30062-6-git-send-email-peterx@redhat.com> (raw)
In-Reply-To: <1476448852-30062-1-git-send-email-peterx@redhat.com>

Signed-off-by: Peter Xu <peterx@redhat.com>
---
 lib/asm-generic/page.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/asm-generic/page.h b/lib/asm-generic/page.h
index 7b8a08b..cbdc8f6 100644
--- a/lib/asm-generic/page.h
+++ b/lib/asm-generic/page.h
@@ -19,6 +19,11 @@
 
 #define PAGE_ALIGN(addr)	ALIGN(addr, PAGE_SIZE)
 
+#define IS_ALIGNED(x, a)	(((x) & ((typeof(x))(a) - 1)) == 0)
+#define PAGE_ALIGNED_4K(x)	IS_ALIGNED((x), (0x1000))
+#define PAGE_ALIGNED_2M(x)	IS_ALIGNED((x), (0x200000))
+#define PAGE_ALIGNED_1G(x)	IS_ALIGNED((x), (0x40000000))
+
 #define __va(x)			((void *)((unsigned long) (x)))
 #define __pa(x)			((unsigned long) (x))
 #define virt_to_pfn(kaddr)	(__pa(kaddr) >> PAGE_SHIFT)
-- 
2.7.4


  parent reply	other threads:[~2016-10-14 12:41 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-14 12:40 [kvm-unit-tests RFC PATCH 00/14] VT-d unit test Peter Xu
2016-10-14 12:40 ` [kvm-unit-tests PATCH 01/14] x86: vm: allow multiple init for vm setup Peter Xu
2016-10-20  8:17   ` Andrew Jones
2016-10-20  8:24     ` Peter Xu
2016-10-20  8:41       ` Andrew Jones
2016-10-20  8:55         ` Peter Xu
2016-10-20  9:39           ` Andrew Jones
2016-10-20 11:01             ` Peter Xu
2016-10-14 12:40 ` [kvm-unit-tests PATCH 02/14] x86: smp: allow multiple init for smp setup Peter Xu
2016-10-19 20:23   ` Radim Krčmář
2016-10-20  1:27     ` Peter Xu
2016-10-20  8:20   ` Andrew Jones
2016-10-20  8:27     ` Peter Xu
2016-10-14 12:40 ` [kvm-unit-tests PATCH 03/14] x86: intel-iommu: add vt-d init test Peter Xu
2016-10-20  9:30   ` Andrew Jones
2016-10-21  9:52     ` Peter Xu
2016-10-21 12:18       ` Andrew Jones
2016-10-24  6:36         ` Peter Xu
2016-10-14 12:40 ` [kvm-unit-tests PATCH 04/14] pci: refactor init process to pci_dev_init() Peter Xu
2016-10-20 10:02   ` Andrew Jones
2016-10-24  7:00     ` Peter Xu
2016-10-14 12:40 ` Peter Xu [this message]
2016-10-20 12:23   ` [kvm-unit-tests PATCH 05/14] page: add page alignment checker Andrew Jones
2016-10-20 12:30     ` Andrew Jones
2016-10-24  9:58       ` Peter Xu
2016-10-14 12:40 ` [kvm-unit-tests PATCH 06/14] util: move MAX/MIN macro into util.h Peter Xu
2016-10-20 12:28   ` Andrew Jones
2016-10-24 10:02     ` Peter Xu
2016-10-14 12:40 ` [kvm-unit-tests PATCH 07/14] vm/page: provide PGDIR_OFFSET() macro Peter Xu
2016-10-20 12:40   ` Andrew Jones
2016-10-14 12:40 ` [kvm-unit-tests PATCH 08/14] x86: pci: add pci_config_{read|write}[bw]() helpers Peter Xu
2016-10-20 12:43   ` Andrew Jones
2016-10-24 10:08     ` Peter Xu
2016-10-14 12:40 ` [kvm-unit-tests PATCH 09/14] pci: provide pci_set_master() Peter Xu
2016-10-20 12:49   ` Andrew Jones
2016-10-24 10:11     ` Peter Xu
2016-10-14 12:40 ` [kvm-unit-tests PATCH 10/14] pci: add bdf helpers Peter Xu
2016-10-20 12:55   ` Andrew Jones
2016-10-24 14:44     ` Peter Xu
2016-10-14 12:40 ` [kvm-unit-tests PATCH 11/14] pci: edu: introduce pci-edu helpers Peter Xu
2016-10-20 13:19   ` Andrew Jones
2016-10-25  3:34     ` Peter Xu
2016-10-25 10:43       ` Andrew Jones
2016-10-25 11:33         ` Peter Xu
2016-10-14 12:40 ` [kvm-unit-tests PATCH 12/14] x86: intel-iommu: add dmar test Peter Xu
2016-10-19 20:33   ` Radim Krčmář
2016-10-20  5:41     ` Peter Xu
2016-10-14 12:40 ` [kvm-unit-tests PATCH 13/14] pci: add msi support for 32/64bit address Peter Xu
2016-10-20 13:30   ` Andrew Jones
2016-10-25  6:21     ` Peter Xu
2016-10-14 12:40 ` [kvm-unit-tests PATCH 14/14] x86: intel-iommu: add IR test Peter Xu
2016-10-20 13:45   ` Andrew Jones
2016-10-25  6:52     ` Peter Xu
2016-10-19 20:21 ` [kvm-unit-tests RFC PATCH 00/14] VT-d unit test Radim Krčmář
2016-10-20  6:05   ` Peter Xu
2016-10-20 11:08     ` Radim Krčmář
2016-10-20 11:23       ` Peter Xu
2016-10-20 11:28       ` Peter Xu

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