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75
0001-qxl_dev-Align-QXLRam-to-4-bytes.patch
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0001-qxl_dev-Align-QXLRam-to-4-bytes.patch
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From beda5ec7a6848be20c0cac2a9a8ef2a41e8069c1 Mon Sep 17 00:00:00 2001
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From: Frediano Ziglio <fziglio@redhat.com>
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Date: Thu, 28 Jun 2018 21:30:21 +0100
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Subject: [PATCH] qxl_dev: Align QXLRam to 4 bytes
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This avoids compilers detect misaligned access which can lead to
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warnings.
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In QEMU the structure is allocated at the beginning of a 4Kb page,
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in Xspice is allocated with a calloc, so the structure will end up 4
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bytes aligned as well with these users. We are not aware of other users
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of QXLRam, but if there was, it's likely the struct would be at least
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naturally aligned, so this change should not impact anyone.
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Aligning to 4 bytes maintains the size of the structure unchanged
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avoiding possible ABI changes.
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clang currently generates an invalid function call if a misaligned
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4 byte atomic operation is detected.
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This fixes https://bugzilla.redhat.com/show_bug.cgi?id=1565766
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Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
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Acked-by: Christophe Fergeau <cfergeau@redhat.com>
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---
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spice/end-packed.h | 1 +
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spice/qxl_dev.h | 2 +-
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spice/start-packed.h | 2 ++
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3 files changed, 4 insertions(+), 1 deletion(-)
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diff --git a/spice/end-packed.h b/spice/end-packed.h
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index 1acea18..0efd588 100644
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--- a/spice/end-packed.h
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+++ b/spice/end-packed.h
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@@ -32,6 +32,7 @@
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/* See start-packed.h for details */
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#undef SPICE_ATTR_PACKED
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+#undef SPICE_ATTR_ALIGNED
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#if defined(__MINGW32__) || !defined(__GNUC__)
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#pragma pack(pop)
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diff --git a/spice/qxl_dev.h b/spice/qxl_dev.h
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index 9e753c4..a9cc4f4 100644
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--- a/spice/qxl_dev.h
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+++ b/spice/qxl_dev.h
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@@ -253,7 +253,7 @@ SPICE_RING_DECLARE(QXLReleaseRing, uint64_t, QXL_RELEASE_RING_SIZE);
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#define QXL_INTERRUPT_CLIENT_MONITORS_CONFIG (1 << 5)
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/* qxl-1 compat: append only */
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-typedef struct SPICE_ATTR_PACKED QXLRam {
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+typedef struct SPICE_ATTR_ALIGNED(4) SPICE_ATTR_PACKED QXLRam {
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uint32_t magic;
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uint32_t int_pending;
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uint32_t int_mask;
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diff --git a/spice/start-packed.h b/spice/start-packed.h
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index ab3fa98..de0c595 100644
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--- a/spice/start-packed.h
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+++ b/spice/start-packed.h
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@@ -48,6 +48,7 @@
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#ifdef __GNUC__
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#define SPICE_ATTR_PACKED __attribute__ ((__packed__))
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+#define SPICE_ATTR_ALIGNED(n) __attribute__ ((__aligned__ (n)))
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#ifdef __MINGW32__
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#pragma pack(push,1)
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@@ -58,6 +59,7 @@
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#pragma pack(push)
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#pragma pack(1)
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#define SPICE_ATTR_PACKED
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+#define SPICE_ATTR_ALIGNED(n) __declspec (align (n))
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#pragma warning(disable:4200)
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#pragma warning(disable:4103)
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--
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2.17.1
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36
README.en.md
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README.en.md
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# spice-protocol
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#### Description
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{**When you're done, you can delete the content in this README and update the file with details for others getting started with your repository**}
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#### Software Architecture
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Software architecture description
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#### Installation
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1. xxxx
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2. xxxx
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3. xxxx
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#### Instructions
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1. xxxx
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2. xxxx
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3. xxxx
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#### Contribution
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1. Fork the repository
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2. Create Feat_xxx branch
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3. Commit your code
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4. Create Pull Request
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#### Gitee Feature
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1. You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md
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2. Gitee blog [blog.gitee.com](https://blog.gitee.com)
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3. Explore open source project [https://gitee.com/explore](https://gitee.com/explore)
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4. The most valuable open source project [GVP](https://gitee.com/gvp)
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5. The manual of Gitee [https://gitee.com/help](https://gitee.com/help)
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6. The most popular members [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
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39
README.md
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README.md
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# spice-protocol
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#### 介绍
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{**以下是码云平台说明，您可以替换此简介**
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码云是 OSCHINA 推出的基于 Git 的代码托管平台（同时支持 SVN）。专为开发者提供稳定、高效、安全的云端软件开发协作平台
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无论是个人、团队、或是企业，都能够用码云实现代码托管、项目管理、协作开发。企业项目请看 [https://gitee.com/enterprises](https://gitee.com/enterprises)}
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#### 软件架构
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软件架构说明
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#### 安装教程
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1. xxxx
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2. xxxx
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3. xxxx
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#### 使用说明
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1. xxxx
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2. xxxx
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3. xxxx
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#### 参与贡献
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1. Fork 本仓库
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2. 新建 Feat_xxx 分支
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3. 提交代码
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4. 新建 Pull Request
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#### 码云特技
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1. 使用 Readme\_XXX.md 来支持不同的语言，例如 Readme\_en.md, Readme\_zh.md
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2. 码云官方博客 [blog.gitee.com](https://blog.gitee.com)
|
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3. 你可以 [https://gitee.com/explore](https://gitee.com/explore) 这个地址来了解码云上的优秀开源项目
|
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4. [GVP](https://gitee.com/gvp) 全称是码云最有价值开源项目，是码云综合评定出的优秀开源项目
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5. 码云官方提供的使用手册 [https://gitee.com/help](https://gitee.com/help)
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6. 码云封面人物是一档用来展示码云会员风采的栏目 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
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BIN
spice-protocol-0.12.14.tar.bz2
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BIN
spice-protocol-0.12.14.tar.bz2
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34
spice-protocol.spec
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spice-protocol.spec
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Name: spice-protocol
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Version: 0.12.14
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Release: 3
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Summary: Spice protocol header files
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License: BSD and LGPLv2+
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URL: http://www.spice-space.org/
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Source0: http://www.spice-space.org/download/releases/%{name}-%{version}.tar.bz2
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BuildArch: noarch
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Patch1: 0001-qxl_dev-Align-QXLRam-to-4-bytes.patch
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%description
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This package provides header files describing the spice protocol and
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the para-virtual graphics card QXL.
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%prep
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%autosetup -n %{name}-%{version} -p1
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%build
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%configure
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make %{?_smp_mflags}
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%install
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%make_install
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%files
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%defattr(-,root,root)
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%doc COPYING NEWS
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%{_includedir}/spice-1/spice/*.h
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%{_datadir}/pkgconfig/spice-protocol.pc
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%changelog
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* Mon Dec 9 2019 openEuler Buildteam <buildteam@openeuler.org> - 0.12.14-3
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- Package init
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