MSVSphere Packaging Team
11 months ago
parent
f2be5db711
commit
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f359d9a3af080f5d3293c847af5ab10f58639d85 SOURCES/criu-3.18.tar.gz
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61ffc54bf7e345c9df2d20d599da47f0e91e70e2 SOURCES/criu-3.19.tar.gz
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SOURCES/criu-3.18.tar.gz
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SOURCES/criu-3.19.tar.gz
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@ -1,74 +0,0 @@
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From d739260c57576c636759afb312340fa3827312f6 Mon Sep 17 00:00:00 2001
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From: Adrian Reber <areber@redhat.com>
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Date: Mon, 24 Apr 2023 09:28:19 +0200
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Subject: [PATCH] compel: support XSAVE on newer Intel CPUs
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Newer Intel CPUs (Sapphire Rapids) have a much larger xsave area than
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before. Looking at older CPUs I see 2440 bytes.
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# cpuid -1 -l 0xd -s 0
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...
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bytes required by XSAVE/XRSTOR area = 0x00000988 (2440)
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On newer CPUs (Sapphire Rapids) it grows to 11008 bytes.
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# cpuid -1 -l 0xd -s 0
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...
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bytes required by XSAVE/XRSTOR area = 0x00002b00 (11008)
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This increase the xsave area from one page to four pages.
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Without this patch the fpu03 test fails, with this patch it works again.
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Signed-off-by: Adrian Reber <areber@redhat.com>
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---
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.../arch/x86/src/lib/include/uapi/asm/fpu.h | 28 +++++++++++++++++--
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1 file changed, 26 insertions(+), 2 deletions(-)
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diff --git a/compel/arch/x86/src/lib/include/uapi/asm/fpu.h b/compel/arch/x86/src/lib/include/uapi/asm/fpu.h
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index bd3b0cbd5c..8c83dd9ae4 100644
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--- a/compel/arch/x86/src/lib/include/uapi/asm/fpu.h
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+++ b/compel/arch/x86/src/lib/include/uapi/asm/fpu.h
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@@ -21,7 +21,28 @@
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#define XSTATE_YMM 0x4
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#define FXSAVE_SIZE 512
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-#define XSAVE_SIZE 4096
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+/*
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+ * This used to be 4096 (one page). There is a comment below concerning
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+ * this size:
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+ * "One page should be enough for the whole xsave state ;-)"
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+ * Which is kind of funny as it is no longer enough ;-)
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+ *
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+ * Older CPUs:
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+ * # cpuid -1 -l 0xd -s 0
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+ * ...
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+ * bytes required by XSAVE/XRSTOR area = 0x00000988 (2440)
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+ *
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+ * Newer CPUs (Sapphire Rapids):
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+ * # cpuid -1 -l 0xd -s 0
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+ * ...
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+ * bytes required by XSAVE/XRSTOR area = 0x00002b00 (11008)
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+ *
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+ * So one page is no longer enough... But:
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+ *
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+ * Four pages should be enough for the whole xsave state ;-)
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+ */
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+
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+#define XSAVE_SIZE 4*4096
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#define XSAVE_HDR_SIZE 64
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#define XSAVE_HDR_OFFSET FXSAVE_SIZE
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@@ -235,8 +256,11 @@ struct pkru_state {
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*
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*
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* One page should be enough for the whole xsave state ;-)
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+ *
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+ * Of course it was not ;-) Now using four pages...
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+ *
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*/
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-#define EXTENDED_STATE_AREA_SIZE (4096 - sizeof(struct i387_fxsave_struct) - sizeof(struct xsave_hdr_struct))
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+#define EXTENDED_STATE_AREA_SIZE (XSAVE_SIZE - sizeof(struct i387_fxsave_struct) - sizeof(struct xsave_hdr_struct))
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/*
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* cpu requires it to be 64 byte aligned
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@ -1,30 +0,0 @@
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import os
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from setuptools import setup, find_packages
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print(find_packages('.'))
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def get_version():
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version = '0.0.1'
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env = os.environ
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if 'CRIU_VERSION_MAJOR' in env and 'CRIU_VERSION_MINOR' in env:
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version = '{}.{}'.format(
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env['CRIU_VERSION_MAJOR'],
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env['CRIU_VERSION_MINOR']
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)
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if 'CRIU_VERSION_SUBLEVEL' in env and env['CRIU_VERSION_SUBLEVEL']:
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version += '.' + env['CRIU_VERSION_SUBLEVEL']
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return version
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setup(
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name='pycriu',
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version=get_version(),
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description='CRiu Image Tool',
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author='CRIU team',
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author_email='criu@openvz.org',
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license='GPLv2',
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url='https://github.com/checkpoint-restore/criu',
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packages=['pycriu','pycriu.images'],
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package_dir = {'pycriu': '.', 'pycriu.images':'images'}
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)
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