Displaying 14 results from an estimated 14 matches for "x86_feature_pse".
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x86_feature_pge
2008 Nov 04
7
[PATCH 1/1] Xen PV support for hugepages
...x86/traps.c 2008-11-04 08:22:40.000000000 -0600
+++ xen-hpage/./xen/arch/x86/traps.c 2008-11-04 08:24:35.000000000 -0600
@@ -723,7 +723,8 @@ static void pv_cpuid(struct cpu_user_reg
{
/* Modify Feature Information. */
__clear_bit(X86_FEATURE_VME, &d);
- __clear_bit(X86_FEATURE_PSE, &d);
+ if (!opt_allow_hugepage)
+ __clear_bit(X86_FEATURE_PSE, &d);
__clear_bit(X86_FEATURE_PGE, &d);
__clear_bit(X86_FEATURE_MCE, &d);
__clear_bit(X86_FEATURE_MCA, &d);
@@ -2002,9 +2003,12 @@ static int emulate_privileged_op(struct...
2020 Apr 23
0
[PATCH 40/70] x86/sev-es: Setup per-cpu GHCBs for the runtime handler
...sting, I've also noticed that debug_pagealloc=1 will make the issue
> disappear. That's because with debug_pagealloc=1, probe_page_size_mask in
> x86/mm/init.c will not allow large pages (2M/1G). Therefore, no
> split_large_page would happen. Similarly, if CPU doesn't have
> X86_FEATURE_PSE, there won't be large pages either.
>
> Any thoughts? Maybe split_large_page should get pages from memblock at early
> boot?
Thanks for you analysis. I fixed it (verified by Mike) by using
early_set_memory_decrypted() instead of set_memory_decrypted(). I still
wonder why I didn't...
2007 Apr 18
0
[PATCH 4/5] Vmi.patch
...+ "=b" (*ebx),
+ "=c" (*ecx),
+ "=d" (*edx)
+ : "0" (*eax), "2" (*ecx), "r" (vmi_ops.cpuid));
+ if (override) {
+ if (disable_pse)
+ *edx &= ~X86_FEATURE_PSE;
+ if (disable_pge)
+ *edx &= ~X86_FEATURE_PGE;
+ if (disable_sep)
+ *edx &= ~X86_FEATURE_SEP;
+ if (disable_tsc)
+ *edx &= ~X86_FEATURE_TSC;
+ if (disable_mtrr)
+ *edx &= ~X86_FEATURE_MTRR;
+ }
+}
+
+static inline void vmi_maybe_load_tls(struct desc_struct *gdt, int nr,...
2007 Apr 18
0
[PATCH 4/5] Vmi.patch
...+ "=b" (*ebx),
+ "=c" (*ecx),
+ "=d" (*edx)
+ : "0" (*eax), "2" (*ecx), "r" (vmi_ops.cpuid));
+ if (override) {
+ if (disable_pse)
+ *edx &= ~X86_FEATURE_PSE;
+ if (disable_pge)
+ *edx &= ~X86_FEATURE_PGE;
+ if (disable_sep)
+ *edx &= ~X86_FEATURE_SEP;
+ if (disable_tsc)
+ *edx &= ~X86_FEATURE_TSC;
+ if (disable_mtrr)
+ *edx &= ~X86_FEATURE_MTRR;
+ }
+}
+
+static inline void vmi_maybe_load_tls(struct desc_struct *gdt, int nr,...
2007 Apr 18
0
[PATCH 5/6] VMI backend for paravirt-ops
...+ "=b" (*ebx),
+ "=c" (*ecx),
+ "=d" (*edx)
+ : "0" (*eax), "2" (*ecx), "r" (vmi_ops.cpuid));
+ if (override) {
+ if (disable_pse)
+ *edx &= ~X86_FEATURE_PSE;
+ if (disable_pge)
+ *edx &= ~X86_FEATURE_PGE;
+ if (disable_sep)
+ *edx &= ~X86_FEATURE_SEP;
+ if (disable_tsc)
+ *edx &= ~X86_FEATURE_TSC;
+ if (disable_mtrr)
+ *edx &= ~X86_FEATURE_MTRR;
+ }
+}
+
+static inline void vmi_maybe_load_tls(struct desc_struct *gdt, int nr,...
2007 Apr 18
0
[PATCH 5/6] VMI backend for paravirt-ops
...+ "=b" (*ebx),
+ "=c" (*ecx),
+ "=d" (*edx)
+ : "0" (*eax), "2" (*ecx), "r" (vmi_ops.cpuid));
+ if (override) {
+ if (disable_pse)
+ *edx &= ~X86_FEATURE_PSE;
+ if (disable_pge)
+ *edx &= ~X86_FEATURE_PGE;
+ if (disable_sep)
+ *edx &= ~X86_FEATURE_SEP;
+ if (disable_tsc)
+ *edx &= ~X86_FEATURE_TSC;
+ if (disable_mtrr)
+ *edx &= ~X86_FEATURE_MTRR;
+ }
+}
+
+static inline void vmi_maybe_load_tls(struct desc_struct *gdt, int nr,...
2007 Aug 08
2
[PATCH] x86-64: syscall/sysenter support for 32-bit apps
...=======================
--- 2007-08-08.orig/xen/arch/x86/traps.c 2007-07-04 12:13:16.000000000 +0200
+++ 2007-08-08/xen/arch/x86/traps.c 2007-08-08 11:37:08.000000000 +0200
@@ -609,16 +609,21 @@ static int emulate_forced_invalid_op(str
clear_bit(X86_FEATURE_DE, &d);
clear_bit(X86_FEATURE_PSE, &d);
clear_bit(X86_FEATURE_PGE, &d);
+ if ( !cpu_has_sep )
+ clear_bit(X86_FEATURE_SEP, &d);
+#ifdef __i386__
if ( !supervisor_mode_kernel )
clear_bit(X86_FEATURE_SEP, &d);
+#endif
if ( !IS_PRIV(current->domain) )...
2010 Aug 23
1
Removing VMI kernel support from 2.6.37
...(*ax),
- "=b" (*bx),
- "=c" (*cx),
- "=d" (*dx)
- : "0" (*ax), "2" (*cx), "r" (vmi_ops.cpuid));
- if (override) {
- if (disable_pse)
- *dx &= ~X86_FEATURE_PSE;
- if (disable_pge)
- *dx &= ~X86_FEATURE_PGE;
- if (disable_sep)
- *dx &= ~X86_FEATURE_SEP;
- if (disable_tsc)
- *dx &= ~X86_FEATURE_TSC;
- if (disable_mtrr)
- *dx &= ~X86_FEATURE_MTRR;
- }
-}
-
-static inline void vmi_maybe_load_tls(struct desc_struct *gdt, int nr, str...
2010 Aug 23
1
Removing VMI kernel support from 2.6.37
...(*ax),
- "=b" (*bx),
- "=c" (*cx),
- "=d" (*dx)
- : "0" (*ax), "2" (*cx), "r" (vmi_ops.cpuid));
- if (override) {
- if (disable_pse)
- *dx &= ~X86_FEATURE_PSE;
- if (disable_pge)
- *dx &= ~X86_FEATURE_PGE;
- if (disable_sep)
- *dx &= ~X86_FEATURE_SEP;
- if (disable_tsc)
- *dx &= ~X86_FEATURE_TSC;
- if (disable_mtrr)
- *dx &= ~X86_FEATURE_MTRR;
- }
-}
-
-static inline void vmi_maybe_load_tls(struct desc_struct *gdt, int nr, str...
2013 Sep 23
11
[PATCH v4 0/4] x86/HVM: miscellaneous improvements
The first and third patches are cleaned up versions of an earlier v3
submission by Yang.
1: Nested VMX: check VMX capability before read VMX related MSRs
2: VMX: clean up capability checks
3: Nested VMX: fix IA32_VMX_CR4_FIXED1 msr emulation
4: x86: make hvm_cpuid() tolerate NULL pointers
Signed-off-by: Jan Beulich <jbeulich@suse.com>
2007 Apr 18
1
[RFC/PATCH LGUEST X86_64 03/13] lguest64 core
...p = (unsigned long *)ecx,
+ *features = (unsigned long *)edx;
+ /* Hypervisor needs to know when we flush kernel pages. */
+ set_bit(X86_FEATURE_PGE, features);
+ /* We don't have any features! */
+ clear_bit(X86_FEATURE_VME, features);
+ clear_bit(X86_FEATURE_DE, features);
+ clear_bit(X86_FEATURE_PSE, features);
+ clear_bit(X86_FEATURE_PAE, features);
+ clear_bit(X86_FEATURE_SEP, features);
+ clear_bit(X86_FEATURE_APIC, features);
+ clear_bit(X86_FEATURE_MTRR, features);
+ /* No MWAIT, either */
+ clear_bit(3, excap);
+ }
+}
+
+static unsigned long current_cr3;
+static void lguest_write_c...
2007 Apr 18
1
[RFC/PATCH LGUEST X86_64 03/13] lguest64 core
...p = (unsigned long *)ecx,
+ *features = (unsigned long *)edx;
+ /* Hypervisor needs to know when we flush kernel pages. */
+ set_bit(X86_FEATURE_PGE, features);
+ /* We don't have any features! */
+ clear_bit(X86_FEATURE_VME, features);
+ clear_bit(X86_FEATURE_DE, features);
+ clear_bit(X86_FEATURE_PSE, features);
+ clear_bit(X86_FEATURE_PAE, features);
+ clear_bit(X86_FEATURE_SEP, features);
+ clear_bit(X86_FEATURE_APIC, features);
+ clear_bit(X86_FEATURE_MTRR, features);
+ /* No MWAIT, either */
+ clear_bit(3, excap);
+ }
+}
+
+static unsigned long current_cr3;
+static void lguest_write_c...
2007 Apr 18
43
[RFC PATCH 00/35] Xen i386 paravirtualization support
Unlike full virtualization in which the virtual machine provides
the same platform interface as running natively on the hardware,
paravirtualization requires modification to the guest operating system
to work with the platform interface provided by the hypervisor.
Xen was designed with performance in mind. Calls to the hypervisor
are minimized, batched if necessary, and non-critical codepaths
2007 Apr 18
43
[RFC PATCH 00/35] Xen i386 paravirtualization support
Unlike full virtualization in which the virtual machine provides
the same platform interface as running natively on the hardware,
paravirtualization requires modification to the guest operating system
to work with the platform interface provided by the hypervisor.
Xen was designed with performance in mind. Calls to the hypervisor
are minimized, batched if necessary, and non-critical codepaths