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From: Hongyan Xia <hx242@xen.org>
To: xen-devel@lists.xenproject.org
Cc: jgrall@amazon.com, "Jan Beulich" <jbeulich@suse.com>,
	"Andrew Cooper" <andrew.cooper3@citrix.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>, "Wei Liu" <wl@xen.org>
Subject: [PATCH v9 12/13] x86: switch to use domheap page for page tables
Date: Tue,  6 Apr 2021 12:06:00 +0100	[thread overview]
Message-ID: <45e9b291c308e0da0783f5f192cbd9e96652b6fb.1617706782.git.hongyxia@amazon.com> (raw)
In-Reply-To: <cover.1617706782.git.hongyxia@amazon.com>
In-Reply-To: <cover.1617706782.git.hongyxia@amazon.com>

From: Hongyan Xia <hongyxia@amazon.com>

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Hongyan Xia <hongyxia@amazon.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>

---
Changed in v8:
- const qualify pg in alloc_xen_pagetable_new().
---
 xen/arch/x86/mm.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index a1ea1835d49b..03362448bd05 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -4885,10 +4885,10 @@ mfn_t alloc_xen_pagetable_new(void)
 {
     if ( system_state != SYS_STATE_early_boot )
     {
-        void *ptr = alloc_xenheap_page();
+        const struct page_info *pg = alloc_domheap_page(NULL, 0);
 
-        BUG_ON(!hardware_domain && !ptr);
-        return ptr ? virt_to_mfn(ptr) : INVALID_MFN;
+        BUG_ON(!hardware_domain && !pg);
+        return pg ? page_to_mfn(pg) : INVALID_MFN;
     }
 
     return alloc_boot_pages(1, 1);
@@ -4898,7 +4898,7 @@ mfn_t alloc_xen_pagetable_new(void)
 void free_xen_pagetable_new(mfn_t mfn)
 {
     if ( system_state != SYS_STATE_early_boot && !mfn_eq(mfn, INVALID_MFN) )
-        free_xenheap_page(mfn_to_virt(mfn_x(mfn)));
+        free_domheap_page(mfn_to_page(mfn));
 }
 
 void *alloc_map_clear_xen_pt(mfn_t *pmfn)
-- 
2.23.3



  parent reply	other threads:[~2021-04-06 11:14 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-06 11:05 [PATCH v9 00/13] switch to domheap for Xen page tables Hongyan Xia
2021-04-06 11:05 ` [PATCH v9 01/13] x86/mm: rewrite virt_to_xen_l*e Hongyan Xia
2021-04-20 12:17   ` Jan Beulich
2021-04-21 11:33     ` Hongyan Xia
2021-04-21 11:39       ` Jan Beulich
2021-04-06 11:05 ` [PATCH v9 02/13] x86/mm: switch to new APIs in map_pages_to_xen Hongyan Xia
2021-04-06 11:05 ` [PATCH v9 03/13] x86/mm: switch to new APIs in modify_xen_mappings Hongyan Xia
2021-04-06 11:05 ` [PATCH v9 04/13] x86_64/mm: introduce pl2e in paging_init Hongyan Xia
2021-04-06 11:05 ` [PATCH v9 05/13] x86_64/mm: switch to new APIs " Hongyan Xia
2021-04-06 11:05 ` [PATCH v9 06/13] x86_64/mm: switch to new APIs in setup_m2p_table Hongyan Xia
2021-04-06 11:05 ` [PATCH v9 07/13] efi: use new page table APIs in copy_mapping Hongyan Xia
2021-04-06 11:05 ` [PATCH v9 08/13] efi: switch to new APIs in EFI code Hongyan Xia
2021-04-06 11:05 ` [PATCH v9 09/13] x86/smpboot: add exit path for clone_mapping() Hongyan Xia
2021-04-20 12:29   ` Jan Beulich
2021-04-06 11:05 ` [PATCH v9 10/13] x86/smpboot: switch clone_mapping() to new APIs Hongyan Xia
2021-04-20 12:32   ` Jan Beulich
2021-04-21 13:39     ` Hongyan Xia
2021-04-06 11:05 ` [PATCH v9 11/13] x86/mm: drop old page table APIs Hongyan Xia
2021-04-06 11:06 ` Hongyan Xia [this message]
2021-04-06 11:06 ` [PATCH v9 13/13] x86/mm: drop _new suffix for " Hongyan Xia

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