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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Xen-devel <xen-devel@lists.xen.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
	Jan Beulich <JBeulich@suse.com>
Subject: [PATCH 5/8] xen/x86: Drop PSE from XEN_MINIMAL_CR4
Date: Wed, 24 Jun 2015 17:31:37 +0100	[thread overview]
Message-ID: <1435163500-10589-6-git-send-email-andrew.cooper3@citrix.com> (raw)
In-Reply-To: <1435163500-10589-1-git-send-email-andrew.cooper3@citrix.com>

CR4.PSE is ignored if CR4.PAE is set, which will unconditionally will be.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
CC: Jan Beulich <JBeulich@suse.com>
---
 xen/include/asm-x86/processor.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/asm-x86/processor.h b/xen/include/asm-x86/processor.h
index 0255ee6..5fb340f 100644
--- a/xen/include/asm-x86/processor.h
+++ b/xen/include/asm-x86/processor.h
@@ -143,7 +143,7 @@
 #define PFEC_page_paged     (1U<<5)
 #define PFEC_page_shared    (1U<<6)
 
-#define XEN_MINIMAL_CR4 (X86_CR4_PSE | X86_CR4_PGE | X86_CR4_PAE)
+#define XEN_MINIMAL_CR4 (X86_CR4_PGE | X86_CR4_PAE)
 
 #define XEN_SYSCALL_MASK (X86_EFLAGS_AC|X86_EFLAGS_VM|X86_EFLAGS_RF|    \
                           X86_EFLAGS_NT|X86_EFLAGS_DF|X86_EFLAGS_IF|    \
-- 
1.7.10.4

  parent reply	other threads:[~2015-06-24 16:31 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-24 16:31 [PATCH 0/8] [RFC] SMAP handling improvements for 32bit PV guests on Andrew Cooper
2015-06-24 16:31 ` [PATCH 1/8] common/vsprintf: Special-case DOMID_IDLE handling for %pv Andrew Cooper
2015-06-24 16:31 ` [PATCH 2/8] x86/traps: Avoid using current too early on boot Andrew Cooper
2015-06-24 16:31 ` [PATCH 3/8] x86/setup: Initialise CR4 before creating idle_vcpu[0] Andrew Cooper
2015-06-24 16:31 ` [PATCH 4/8] xen/x86: Clean up CR4 definitions Andrew Cooper
2015-06-24 16:31 ` Andrew Cooper [this message]
2015-06-24 16:31 ` [PATCH 6/8] xen/x86: Calculate PV CR4 masks at boot Andrew Cooper
2015-06-25 13:08   ` Jan Beulich
2015-06-25 13:31     ` Andrew Cooper
2015-06-25 13:40       ` Jan Beulich
2015-06-25 13:43         ` Andrew Cooper
2015-06-24 16:31 ` [PATCH 7/8] xen/x86: Rework CR4 handling for PV guests Andrew Cooper
2015-06-25 14:41   ` Jan Beulich
2015-06-25 16:22     ` Andrew Cooper
2015-06-26  6:22       ` Jan Beulich
2015-06-26  8:10         ` Andrew Cooper
2015-06-26  8:50           ` Jan Beulich
2015-06-24 16:31 ` [PATCH 8/8] xen/x86: Additional SMAP modes to work around buggy 32bit " Andrew Cooper
2015-06-25 11:18   ` David Vrabel
2015-06-25 11:53     ` Andrew Cooper
2015-06-25 15:12   ` Jan Beulich
2015-06-25 16:31     ` Andrew Cooper
2015-06-26  6:33   ` Jan Beulich

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