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 v3 extra 01/11] x86: add pv_ prefix to {alloc, free}_page_type
Date: Sun, 30 Jul 2017 16:43:25 +0100 [thread overview]
Message-ID: <20170730154335.24313-2-wei.liu2@citrix.com> (raw)
In-Reply-To: <20170730154335.24313-1-wei.liu2@citrix.com>
They are only useful for PV guests. Also change preemptible to bool.
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
xen/arch/x86/domain.c | 2 +-
xen/arch/x86/mm.c | 12 ++++++------
xen/include/asm-x86/mm.h | 4 ++--
3 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
index 93014d9bbc..d92a930d29 100644
--- a/xen/arch/x86/domain.c
+++ b/xen/arch/x86/domain.c
@@ -1807,7 +1807,7 @@ static int relinquish_memory(
if ( likely(y == x) )
{
/* No need for atomic update of type_info here: noone else updates it. */
- switch ( ret = free_page_type(page, x, 1) )
+ switch ( ret = pv_free_page_type(page, x, true) )
{
case 0:
break;
diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index 9b6871ab04..a908d70dea 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -2010,8 +2010,8 @@ static void get_page_light(struct page_info *page)
while ( unlikely(y != x) );
}
-static int alloc_page_type(struct page_info *page, unsigned long type,
- int preemptible)
+static int pv_alloc_page_type(struct page_info *page, unsigned long type,
+ bool preemptible)
{
struct domain *owner = page_get_owner(page);
int rc;
@@ -2083,8 +2083,8 @@ static int alloc_page_type(struct page_info *page, unsigned long type,
}
-int free_page_type(struct page_info *page, unsigned long type,
- int preemptible)
+int pv_free_page_type(struct page_info *page, unsigned long type,
+ bool preemptible)
{
struct domain *owner = page_get_owner(page);
unsigned long gmfn;
@@ -2141,7 +2141,7 @@ int free_page_type(struct page_info *page, unsigned long type,
static int __put_final_page_type(
struct page_info *page, unsigned long type, int preemptible)
{
- int rc = free_page_type(page, type, preemptible);
+ int rc = pv_free_page_type(page, type, preemptible);
/* No need for atomic update of type_info here: noone else updates it. */
if ( rc == 0 )
@@ -2357,7 +2357,7 @@ static int __get_page_type(struct page_info *page, unsigned long type,
page->nr_validated_ptes = 0;
page->partial_pte = 0;
}
- rc = alloc_page_type(page, type, preemptible);
+ rc = pv_alloc_page_type(page, type, preemptible);
}
if ( (x & PGT_partial) && !(nx & PGT_partial) )
diff --git a/xen/include/asm-x86/mm.h b/xen/include/asm-x86/mm.h
index 521a8b1b7b..a5662f327b 100644
--- a/xen/include/asm-x86/mm.h
+++ b/xen/include/asm-x86/mm.h
@@ -302,8 +302,8 @@ static inline void *__page_to_virt(const struct page_info *pg)
(PAGE_SIZE / (sizeof(*pg) & -sizeof(*pg))));
}
-int free_page_type(struct page_info *page, unsigned long type,
- int preemptible);
+int pv_free_page_type(struct page_info *page, unsigned long type,
+ bool preemptible);
bool_t fill_ro_mpt(unsigned long mfn);
void zap_ro_mpt(unsigned long mfn);
--
2.11.0
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next prev parent reply other threads:[~2017-07-30 15:43 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-20 16:04 [PATCH v3 00/21] x86: refactor mm.c (the easy part) Wei Liu
2017-07-20 16:04 ` [PATCH v3 01/21] x86/mm: carve out create_grant_pv_mapping Wei Liu
2017-08-28 15:16 ` George Dunlap
2017-07-20 16:04 ` [PATCH v3 02/21] x86/mm: carve out replace_grant_pv_mapping Wei Liu
2017-08-28 15:19 ` George Dunlap
2017-07-20 16:04 ` [PATCH v3 03/21] x86/mm: split HVM grant table code to hvm/grant_table.c Wei Liu
2017-07-20 16:04 ` [PATCH v3 04/21] x86/mm: lift PAGE_CACHE_ATTRS to page.h Wei Liu
2017-07-20 16:04 ` [PATCH v3 05/21] x86/mm: document the return values from get_page_from_l*e Wei Liu
2017-07-20 16:04 ` [PATCH v3 06/21] x86: move pv_emul_is_mem_write to pv/emulate.c Wei Liu
2017-07-20 16:04 ` [PATCH v3 07/21] x86/mm: move and rename guest_get_eff{, kern}_l1e Wei Liu
2017-07-20 16:04 ` [PATCH v3 08/21] x86/mm: export get_page_from_pagenr Wei Liu
2017-07-20 16:04 ` [PATCH v3 09/21] x86/mm: rename and move update_intpte Wei Liu
2017-07-20 16:04 ` [PATCH v3 10/21] x86/mm: move {un, }adjust_guest_* to pv/mm.h Wei Liu
2017-07-20 16:04 ` [PATCH v3 11/21] x86/mm: split out writable pagetable emulation code Wei Liu
2017-07-20 16:04 ` [PATCH v3 12/21] x86/mm: split out readonly MMIO " Wei Liu
2017-07-20 16:04 ` [PATCH v3 13/21] x86/mm: remove the unused inclusion of pv/emulate.h Wei Liu
2017-07-20 16:04 ` [PATCH v3 14/21] x86/mm: move and rename guest_{, un}map_l1e Wei Liu
2017-07-20 16:04 ` [PATCH v3 15/21] x86/mm: split out PV grant table code Wei Liu
2017-07-20 16:04 ` [PATCH v3 16/21] x86/mm: split out descriptor " Wei Liu
2017-07-20 16:04 ` [PATCH v3 17/21] x86/mm: move compat descriptor handling code Wei Liu
2017-07-20 16:04 ` [PATCH v3 18/21] x86/mm: move and rename map_ldt_shadow_page Wei Liu
2017-07-20 16:04 ` [PATCH v3 19/21] x86/mm: factor out pv_arch_init_memory Wei Liu
2017-07-20 16:04 ` [PATCH v3 20/21] x86/mm: move l4 table setup code Wei Liu
2017-07-20 16:04 ` [PATCH v3 21/21] x86/mm: add "pv_" prefix to new_guest_cr3 Wei Liu
2017-07-30 6:26 ` [PATCH v3 00/21] x86: refactor mm.c (the easy part) Jan Beulich
2017-07-30 9:23 ` Wei Liu
2017-07-30 15:43 ` [PATCH v3 extra 00/11] x86: refactor mm.c: page APIs and hypercalls Wei Liu
2017-07-30 15:43 ` Wei Liu [this message]
2017-07-30 15:43 ` [PATCH v3 extra 02/11] x86/mm: export more get/put page functions Wei Liu
2017-07-30 15:43 ` [PATCH v3 extra 03/11] x86/mm: move and add pv_ prefix to create_pae_xen_mappings Wei Liu
2017-07-30 15:43 ` [PATCH v3 extra 04/11] x86/mm: move disallow_mask variable and macros Wei Liu
2017-07-30 15:43 ` [PATCH v3 extra 05/11] x86/mm: move pv_{alloc, free}_page_type Wei Liu
2017-07-30 15:43 ` [PATCH v3 extra 06/11] x86/mm: move and add pv_ prefix to invalidate_shadow_ldt Wei Liu
2017-07-30 15:43 ` [PATCH v3 extra 07/11] x86/mm: move PV hypercalls to pv/mm-hypercalls.c Wei Liu
2017-07-30 15:43 ` [PATCH v3 extra 08/11] x86/mm: remove the now unused inclusion of pv/mm.h Wei Liu
2017-07-30 15:43 ` [PATCH v3 extra 09/11] x86/mm: use put_page_type_preemptible in put_page_from_l{2, 3}e Wei Liu
2017-07-30 15:43 ` [PATCH v3 extra 10/11] x86/mm: move {get, put}_page_from_l{2, 3, 4}e Wei Liu
2017-07-30 15:43 ` [PATCH v3 extra 11/11] x86/mm: move description of x86 page table API to pv/mm.c Wei Liu
2017-07-31 9:58 ` [PATCH v3 extra 00/11] x86: refactor mm.c: page APIs and hypercalls Jan Beulich
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