From: Wei Liu <wei.liu2@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: George Dunlap <george.dunlap@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Wei Liu <wei.liu2@citrix.com>, Jan Beulich <JBeulich@suse.com>
Subject: [PATCH v5 04/23] x86/mm: move {un, }adjust_guest_l*e to pv/mm.h
Date: Thu, 14 Sep 2017 13:58:33 +0100 [thread overview]
Message-ID: <20170914125852.22129-5-wei.liu2@citrix.com> (raw)
In-Reply-To: <20170914125852.22129-1-wei.liu2@citrix.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
xen/arch/x86/mm.c | 57 -----------------------------------------------
xen/arch/x86/pv/mm.h | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 62 insertions(+), 57 deletions(-)
diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index 504a0a2a6a..b05648e4e7 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -1175,63 +1175,6 @@ get_page_from_l4e(
return rc;
}
-static l1_pgentry_t adjust_guest_l1e(l1_pgentry_t l1e, const struct domain *d)
-{
- if ( likely(l1e_get_flags(l1e) & _PAGE_PRESENT) &&
- likely(!is_pv_32bit_domain(d)) )
- {
- /* _PAGE_GUEST_KERNEL page cannot have the Global bit set. */
- if ( (l1e_get_flags(l1e) & (_PAGE_GUEST_KERNEL | _PAGE_GLOBAL)) ==
- (_PAGE_GUEST_KERNEL | _PAGE_GLOBAL) )
- gdprintk(XENLOG_WARNING, "Global bit is set in kernel page %lx\n",
- l1e_get_pfn(l1e));
-
- if ( !(l1e_get_flags(l1e) & _PAGE_USER) )
- l1e_add_flags(l1e, (_PAGE_GUEST_KERNEL | _PAGE_USER));
-
- if ( !(l1e_get_flags(l1e) & _PAGE_GUEST_KERNEL) )
- l1e_add_flags(l1e, (_PAGE_GLOBAL | _PAGE_USER));
- }
-
- return l1e;
-}
-
-static l2_pgentry_t adjust_guest_l2e(l2_pgentry_t l2e, const struct domain *d)
-{
- if ( likely(l2e_get_flags(l2e) & _PAGE_PRESENT) &&
- likely(!is_pv_32bit_domain(d)) )
- l2e_add_flags(l2e, _PAGE_USER);
-
- return l2e;
-}
-
-static l3_pgentry_t adjust_guest_l3e(l3_pgentry_t l3e, const struct domain *d)
-{
- if ( likely(l3e_get_flags(l3e) & _PAGE_PRESENT) )
- l3e_add_flags(l3e, (likely(!is_pv_32bit_domain(d))
- ? _PAGE_USER : _PAGE_USER | _PAGE_RW));
-
- return l3e;
-}
-
-static l3_pgentry_t unadjust_guest_l3e(l3_pgentry_t l3e, const struct domain *d)
-{
- if ( unlikely(is_pv_32bit_domain(d)) &&
- likely(l3e_get_flags(l3e) & _PAGE_PRESENT) )
- l3e_remove_flags(l3e, _PAGE_USER | _PAGE_RW | _PAGE_ACCESSED);
-
- return l3e;
-}
-
-static l4_pgentry_t adjust_guest_l4e(l4_pgentry_t l4e, const struct domain *d)
-{
- if ( likely(l4e_get_flags(l4e) & _PAGE_PRESENT) &&
- likely(!is_pv_32bit_domain(d)) )
- l4e_add_flags(l4e, _PAGE_USER);
-
- return l4e;
-}
-
void put_page_from_l1e(l1_pgentry_t l1e, struct domain *l1e_owner)
{
unsigned long pfn = l1e_get_pfn(l1e);
diff --git a/xen/arch/x86/pv/mm.h b/xen/arch/x86/pv/mm.h
index 2563d280a5..6602e6ce07 100644
--- a/xen/arch/x86/pv/mm.h
+++ b/xen/arch/x86/pv/mm.h
@@ -83,4 +83,66 @@ static inline bool update_intpte(intpte_t *p, intpte_t old, intpte_t new,
_t ## e_get_intpte(_o), _t ## e_get_intpte(_n), \
(_m), (_v), (_ad))
+static inline l1_pgentry_t adjust_guest_l1e(l1_pgentry_t l1e,
+ const struct domain *d)
+{
+ if ( likely(l1e_get_flags(l1e) & _PAGE_PRESENT) &&
+ likely(!is_pv_32bit_domain(d)) )
+ {
+ /* _PAGE_GUEST_KERNEL page cannot have the Global bit set. */
+ if ( (l1e_get_flags(l1e) & (_PAGE_GUEST_KERNEL | _PAGE_GLOBAL)) ==
+ (_PAGE_GUEST_KERNEL | _PAGE_GLOBAL) )
+ gdprintk(XENLOG_WARNING, "Global bit is set in kernel page %lx\n",
+ l1e_get_pfn(l1e));
+
+ if ( !(l1e_get_flags(l1e) & _PAGE_USER) )
+ l1e_add_flags(l1e, (_PAGE_GUEST_KERNEL | _PAGE_USER));
+
+ if ( !(l1e_get_flags(l1e) & _PAGE_GUEST_KERNEL) )
+ l1e_add_flags(l1e, (_PAGE_GLOBAL | _PAGE_USER));
+ }
+
+ return l1e;
+}
+
+static inline l2_pgentry_t adjust_guest_l2e(l2_pgentry_t l2e,
+ const struct domain *d)
+{
+ if ( likely(l2e_get_flags(l2e) & _PAGE_PRESENT) &&
+ likely(!is_pv_32bit_domain(d)) )
+ l2e_add_flags(l2e, _PAGE_USER);
+
+ return l2e;
+}
+
+static inline l3_pgentry_t adjust_guest_l3e(l3_pgentry_t l3e,
+ const struct domain *d)
+{
+ if ( likely(l3e_get_flags(l3e) & _PAGE_PRESENT) )
+ l3e_add_flags(l3e, (likely(!is_pv_32bit_domain(d))
+ ? _PAGE_USER : _PAGE_USER | _PAGE_RW));
+
+ return l3e;
+}
+
+static inline l3_pgentry_t unadjust_guest_l3e(l3_pgentry_t l3e,
+ const struct domain *d)
+{
+ if ( unlikely(is_pv_32bit_domain(d)) &&
+ likely(l3e_get_flags(l3e) & _PAGE_PRESENT) )
+ l3e_remove_flags(l3e, _PAGE_USER | _PAGE_RW | _PAGE_ACCESSED);
+
+ return l3e;
+}
+
+static inline l4_pgentry_t adjust_guest_l4e(l4_pgentry_t l4e,
+ const struct domain *d)
+{
+ if ( likely(l4e_get_flags(l4e) & _PAGE_PRESENT) &&
+ likely(!is_pv_32bit_domain(d)) )
+ l4e_add_flags(l4e, _PAGE_USER);
+
+ return l4e;
+}
+
#endif /* __PV_MM_H__ */
--
2.11.0
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next prev parent reply other threads:[~2017-09-14 12:59 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-14 12:58 [PATCH v5 00/23] x86: refactor mm.c Wei Liu
2017-09-14 12:58 ` [PATCH v5 01/23] x86/mm: move guest_get_eff_l1e to pv/mm.h Wei Liu
[not found] ` <1505408055.662832341@apps.rackspace.com>
2017-09-14 16:58 ` Wei Liu
2017-09-22 11:36 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 02/23] x86/mm: export get_page_from_mfn Wei Liu
2017-09-22 11:44 ` Jan Beulich
2017-09-22 11:51 ` Wei Liu
2017-09-22 12:11 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 03/23] x86/mm: move update_intpte to pv/mm.h Wei Liu
2017-09-22 12:32 ` Jan Beulich
2017-09-14 12:58 ` Wei Liu [this message]
2017-09-22 12:33 ` [PATCH v5 04/23] x86/mm: move {un, }adjust_guest_l*e " Jan Beulich
2017-09-14 12:58 ` [PATCH v5 05/23] x86/mm: move ro page fault emulation code Wei Liu
2017-09-22 12:37 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 06/23] x86/mm: remove the now unused inclusion of pv/emulate.h Wei Liu
2017-09-22 12:37 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 07/23] x86/mm: move map_guest_l1e to pv/mm.c Wei Liu
2017-09-22 12:58 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 08/23] x86/mm: split out pv grant table code Wei Liu
2017-09-22 12:59 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 09/23] x86/mm: add pv prefix to {set, destroy}_gdt Wei Liu
2017-09-22 13:02 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 10/23] x86/mm: split out descriptor table manipulation code Wei Liu
2017-09-22 13:07 ` Jan Beulich
2017-09-22 13:12 ` Wei Liu
2017-09-14 12:58 ` [PATCH v5 11/23] x86/mm: move compat " Wei Liu
2017-09-22 13:09 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 12/23] x86/mm: move and rename map_ldt_shadow_page Wei Liu
2017-09-22 13:18 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 13/23] x86/mm: factor out pv_arch_init_memory Wei Liu
2017-09-22 13:20 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 14/23] x86/mm: move PV l4 table setup code Wei Liu
2017-09-22 13:23 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 15/23] x86/mm: move declaration of new_guest_cr3 to local pv/mm.h Wei Liu
2017-09-22 13:23 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 16/23] x86/mm: add pv prefix to {alloc, free}_page_type Wei Liu
2017-09-22 13:40 ` Jan Beulich
2017-09-22 14:07 ` Wei Liu
2017-09-22 14:24 ` Jan Beulich
2017-09-22 14:34 ` Wei Liu
2017-09-14 12:58 ` [PATCH v5 17/23] x86/mm: export base_disallow_mask and l1 mask in asm-x86/mm.h Wei Liu
2017-09-22 13:52 ` Jan Beulich
2017-09-22 15:52 ` Wei Liu
2017-09-23 16:52 ` Tim Deegan
2017-09-14 12:58 ` [PATCH v5 18/23] x86/mm: export some stuff via local mm.h Wei Liu
2017-09-22 15:44 ` Jan Beulich
2017-09-22 15:56 ` Wei Liu
2017-09-22 16:00 ` Jan Beulich
2017-09-22 16:07 ` Wei Liu
2017-09-22 16:09 ` Andrew Cooper
2017-09-14 12:58 ` [PATCH v5 19/23] x86/mm: export get_page_light via asm-x86/mm.h Wei Liu
2017-09-22 15:49 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 20/23] x86/mm: split out PV mm code to pv/mm.c Wei Liu
2017-09-22 15:53 ` Jan Beulich
2017-09-14 12:58 ` [PATCH v5 21/23] x86/mm: move and add pv prefix to invalidate_shadow_ldt Wei Liu
2017-09-14 12:58 ` [PATCH v5 22/23] x86/mm: split out PV mm hypercalls to pv/mm-hypercalls.c Wei Liu
2017-09-14 12:58 ` [PATCH v5 23/23] x86/mm: remove the now unused inclusion of pv/mm.h Wei Liu
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