From: Julien Grall <julien.grall@arm.com>
To: xen-devel@lists.xen.org
Cc: proskurin@sec.in.tum.de, Julien Grall <julien.grall@arm.com>,
sstabellini@kernel.org, wei.chen@linaro.org,
steve.capper@arm.com
Subject: [PATCH 22/22] xen/arm: p2m: Pass the p2m in parameter rather the domain when it is possible
Date: Wed, 20 Jul 2016 17:11:04 +0100 [thread overview]
Message-ID: <1469031064-23344-23-git-send-email-julien.grall@arm.com> (raw)
In-Reply-To: <1469031064-23344-1-git-send-email-julien.grall@arm.com>
Some p2m functions do not care about the domain except to get the
associate p2m.
Signed-off-by: Julien Grall <julien.grall@arm.com>
---
xen/arch/arm/p2m.c | 16 +++++++---------
1 file changed, 7 insertions(+), 9 deletions(-)
diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index 5511d25..aceafc2 100644
--- a/xen/arch/arm/p2m.c
+++ b/xen/arch/arm/p2m.c
@@ -415,10 +415,9 @@ static inline void p2m_remove_pte(lpae_t *p, bool_t flush_cache)
*
* level_shift is the number of bits at the level we want to create.
*/
-static int p2m_create_table(struct domain *d, lpae_t *entry,
+static int p2m_create_table(struct p2m_domain *p2m, lpae_t *entry,
int level_shift, bool_t flush_cache)
{
- struct p2m_domain *p2m = &d->arch.p2m;
struct page_info *page;
lpae_t *p;
lpae_t pte;
@@ -653,18 +652,17 @@ static const paddr_t level_masks[] =
static const paddr_t level_shifts[] =
{ ZEROETH_SHIFT, FIRST_SHIFT, SECOND_SHIFT, THIRD_SHIFT };
-static int p2m_shatter_page(struct domain *d,
+static int p2m_shatter_page(struct p2m_domain *p2m,
lpae_t *entry,
unsigned int level,
bool_t flush_cache)
{
const paddr_t level_shift = level_shifts[level];
- int rc = p2m_create_table(d, entry,
+ int rc = p2m_create_table(p2m, entry,
level_shift - PAGE_SHIFT, flush_cache);
if ( !rc )
{
- struct p2m_domain *p2m = &d->arch.p2m;
p2m->stats.shattered[level]++;
p2m->stats.mappings[level]--;
p2m->stats.mappings[level+1] += LPAE_ENTRIES;
@@ -757,7 +755,7 @@ static int apply_one_level(struct domain *d,
/* Not present -> create table entry and descend */
if ( !p2m_valid(orig_pte) )
{
- rc = p2m_create_table(d, entry, 0, flush_cache);
+ rc = p2m_create_table(p2m, entry, 0, flush_cache);
if ( rc < 0 )
return rc;
return P2M_ONE_DESCEND;
@@ -767,7 +765,7 @@ static int apply_one_level(struct domain *d,
if ( p2m_mapping(orig_pte) )
{
*flush = true;
- rc = p2m_shatter_page(d, entry, level, flush_cache);
+ rc = p2m_shatter_page(p2m, entry, level, flush_cache);
if ( rc < 0 )
return rc;
} /* else: an existing table mapping -> descend */
@@ -804,7 +802,7 @@ static int apply_one_level(struct domain *d,
* and descend.
*/
*flush = true;
- rc = p2m_shatter_page(d, entry, level, flush_cache);
+ rc = p2m_shatter_page(p2m, entry, level, flush_cache);
if ( rc < 0 )
return rc;
@@ -889,7 +887,7 @@ static int apply_one_level(struct domain *d,
/* Shatter large pages as we descend */
if ( p2m_mapping(orig_pte) )
{
- rc = p2m_shatter_page(d, entry, level, flush_cache);
+ rc = p2m_shatter_page(p2m, entry, level, flush_cache);
if ( rc < 0 )
return rc;
} /* else: an existing table mapping -> descend */
--
1.9.1
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next prev parent reply other threads:[~2016-07-20 16:11 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-20 16:10 [PATCH 00/22] xen/arm: P2M clean-up and fixes Julien Grall
2016-07-20 16:10 ` [PATCH 01/22] xen/arm: system: Use the correct parameter name in local_irq_restore Julien Grall
2016-07-22 1:19 ` Stefano Stabellini
2016-07-20 16:10 ` [PATCH 02/22] xen/arm: p2m: Pass the vCPU in parameter to get_page_from_gva Julien Grall
2016-07-22 1:22 ` Stefano Stabellini
2016-07-20 16:10 ` [PATCH 03/22] xen/arm: p2m: Restrict usage of get_page_from_gva to the current vCPU Julien Grall
2016-07-22 1:25 ` Stefano Stabellini
2016-07-20 16:10 ` [PATCH 04/22] xen/arm: p2m: Fix multi-lines coding style comments Julien Grall
2016-07-22 1:26 ` Stefano Stabellini
2016-07-20 16:10 ` [PATCH 05/22] xen/arm: p2m: Clean-up mfn_to_p2m_entry Julien Grall
2016-07-26 22:24 ` Stefano Stabellini
2016-07-20 16:10 ` [PATCH 06/22] xen/arm: p2m: Use the typesafe MFN in mfn_to_p2m_entry Julien Grall
2016-07-26 22:28 ` Stefano Stabellini
2016-07-27 9:54 ` Julien Grall
2016-07-27 18:25 ` Stefano Stabellini
2016-07-27 20:14 ` Julien Grall
2016-07-20 16:10 ` [PATCH 07/22] xen/arm: p2m: Use p2m_is_foreign in get_page_from_gfn to avoid open coding Julien Grall
2016-07-26 22:33 ` Stefano Stabellini
2016-07-20 16:10 ` [PATCH 08/22] xen/arm: p2m: Simplify p2m type check by using bitmask Julien Grall
2016-07-26 22:36 ` Stefano Stabellini
2016-07-20 16:10 ` [PATCH 09/22] xen/arm: p2m: Use a whitelist rather than blacklist in get_page_from_gfn Julien Grall
2016-07-26 22:44 ` Stefano Stabellini
2016-07-27 9:59 ` Julien Grall
2016-07-27 17:56 ` Stefano Stabellini
2016-07-27 17:57 ` Julien Grall
2016-07-20 16:10 ` [PATCH 10/22] xen/arm: p2m: Differentiate cacheable vs non-cacheable MMIO Julien Grall
2016-07-26 22:47 ` Stefano Stabellini
2016-07-20 16:10 ` [PATCH 11/22] xen/arm: p2m: Find the memory attributes based on the p2m type Julien Grall
2016-07-27 0:41 ` Stefano Stabellini
2016-07-27 17:15 ` Julien Grall
2016-07-27 17:55 ` Stefano Stabellini
2016-07-27 20:15 ` Julien Grall
2016-07-20 16:10 ` [PATCH 12/22] xen/arm: p2m: Remove unnecessary locking Julien Grall
2016-07-27 0:47 ` Stefano Stabellini
2016-07-20 16:10 ` [PATCH 13/22] xen/arm: p2m: Introduce p2m_{read, write}_{, un}lock helpers Julien Grall
2016-07-27 0:50 ` Stefano Stabellini
2016-07-20 16:10 ` [PATCH 14/22] xen/arm: p2m: Switch the p2m lock from spinlock to rwlock Julien Grall
2016-07-27 0:51 ` Stefano Stabellini
2016-07-20 16:10 ` [PATCH 15/22] xen/arm: Don't call p2m_alloc_table from arch_domain_create Julien Grall
2016-07-22 8:32 ` Sergej Proskurin
2016-07-22 9:18 ` Julien Grall
2016-07-22 10:16 ` Sergej Proskurin
2016-07-22 10:26 ` Julien Grall
2016-07-22 10:39 ` Sergej Proskurin
2016-07-22 10:38 ` Julien Grall
2016-07-22 11:05 ` Sergej Proskurin
2016-07-22 13:00 ` Julien Grall
2016-07-23 17:59 ` Sergej Proskurin
2016-07-27 0:54 ` Stefano Stabellini
2016-07-20 16:10 ` [PATCH 16/22] xen/arm: p2m: Move the vttbr field from arch_domain to p2m_domain Julien Grall
2016-07-22 7:46 ` Sergej Proskurin
2016-07-22 9:23 ` Julien Grall
2016-07-27 0:57 ` Stefano Stabellini
2016-07-27 10:00 ` Julien Grall
2016-07-27 17:19 ` Julien Grall
2016-07-20 16:10 ` [PATCH 17/22] xen/arm: p2m: Don't need to restore the state for an idle vCPU Julien Grall
2016-07-22 7:37 ` Sergej Proskurin
2016-07-27 1:05 ` Stefano Stabellini
2016-07-20 16:11 ` [PATCH 18/22] xen/arm: p2m: Rework the context switch to another VTTBR in flush_tlb_domain Julien Grall
2016-07-22 7:51 ` Sergej Proskurin
2016-07-27 1:12 ` Stefano Stabellini
2016-07-27 10:22 ` Julien Grall
2016-07-20 16:11 ` [PATCH 19/22] xen/arm: p2m: Inline p2m_load_VTTBR into p2m_restore_state Julien Grall
2016-07-22 8:07 ` Sergej Proskurin
2016-07-22 9:29 ` Julien Grall
2016-07-27 1:13 ` Stefano Stabellini
2016-07-20 16:11 ` [PATCH 20/22] xen/arm: Don't export flush_tlb_domain Julien Grall
2016-07-22 8:54 ` Sergej Proskurin
2016-07-22 9:30 ` Julien Grall
2016-07-22 10:25 ` Sergej Proskurin
2016-07-22 10:34 ` Julien Grall
2016-07-22 10:46 ` Sergej Proskurin
2016-07-22 10:57 ` Julien Grall
2016-07-22 11:22 ` Sergej Proskurin
2016-07-27 1:14 ` Stefano Stabellini
2016-07-20 16:11 ` [PATCH 21/22] xen/arm: p2m: Replace flush_tlb_domain by p2m_flush_tlb Julien Grall
2016-07-27 1:15 ` Stefano Stabellini
2016-07-20 16:11 ` Julien Grall [this message]
2016-07-27 1:15 ` [PATCH 22/22] xen/arm: p2m: Pass the p2m in parameter rather the domain when it is possible Stefano Stabellini
2016-07-22 1:31 ` [PATCH 00/22] xen/arm: P2M clean-up and fixes Stefano Stabellini
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