From: Nicholas Piggin <npiggin@gmail.com>
To: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>
Cc: Nicholas Piggin <npiggin@gmail.com>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, Zefan Li <lizefan@huawei.com>,
Jonathan Cameron <Jonathan.Cameron@Huawei.com>,
Christoph Hellwig <hch@infradead.org>,
Christophe Leroy <christophe.leroy@csgroup.eu>
Subject: [PATCH v8 04/12] mm/ioremap: rename ioremap_*_range to vmap_*_range
Date: Sun, 29 Nov 2020 01:25:51 +1000 [thread overview]
Message-ID: <20201128152559.999540-5-npiggin@gmail.com> (raw)
In-Reply-To: <20201128152559.999540-1-npiggin@gmail.com>
This will be used as a generic kernel virtual mapping function, so
re-name it in preparation.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
mm/ioremap.c | 64 +++++++++++++++++++++++++++-------------------------
1 file changed, 33 insertions(+), 31 deletions(-)
diff --git a/mm/ioremap.c b/mm/ioremap.c
index 5fa1ab41d152..3f4d36f9745a 100644
--- a/mm/ioremap.c
+++ b/mm/ioremap.c
@@ -61,9 +61,9 @@ static inline int ioremap_pud_enabled(void) { return 0; }
static inline int ioremap_pmd_enabled(void) { return 0; }
#endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */
-static int ioremap_pte_range(pmd_t *pmd, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
- pgtbl_mod_mask *mask)
+static int vmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot,
+ pgtbl_mod_mask *mask)
{
pte_t *pte;
u64 pfn;
@@ -81,9 +81,8 @@ static int ioremap_pte_range(pmd_t *pmd, unsigned long addr,
return 0;
}
-static int ioremap_try_huge_pmd(pmd_t *pmd, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr,
- pgprot_t prot)
+static int vmap_try_huge_pmd(pmd_t *pmd, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot)
{
if (!ioremap_pmd_enabled())
return 0;
@@ -103,9 +102,9 @@ static int ioremap_try_huge_pmd(pmd_t *pmd, unsigned long addr,
return pmd_set_huge(pmd, phys_addr, prot);
}
-static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
- pgtbl_mod_mask *mask)
+static int vmap_pmd_range(pud_t *pud, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot,
+ pgtbl_mod_mask *mask)
{
pmd_t *pmd;
unsigned long next;
@@ -116,20 +115,19 @@ static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr,
do {
next = pmd_addr_end(addr, end);
- if (ioremap_try_huge_pmd(pmd, addr, next, phys_addr, prot)) {
+ if (vmap_try_huge_pmd(pmd, addr, next, phys_addr, prot)) {
*mask |= PGTBL_PMD_MODIFIED;
continue;
}
- if (ioremap_pte_range(pmd, addr, next, phys_addr, prot, mask))
+ if (vmap_pte_range(pmd, addr, next, phys_addr, prot, mask))
return -ENOMEM;
} while (pmd++, phys_addr += (next - addr), addr = next, addr != end);
return 0;
}
-static int ioremap_try_huge_pud(pud_t *pud, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr,
- pgprot_t prot)
+static int vmap_try_huge_pud(pud_t *pud, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot)
{
if (!ioremap_pud_enabled())
return 0;
@@ -149,9 +147,9 @@ static int ioremap_try_huge_pud(pud_t *pud, unsigned long addr,
return pud_set_huge(pud, phys_addr, prot);
}
-static inline int ioremap_pud_range(p4d_t *p4d, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
- pgtbl_mod_mask *mask)
+static int vmap_pud_range(p4d_t *p4d, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot,
+ pgtbl_mod_mask *mask)
{
pud_t *pud;
unsigned long next;
@@ -162,20 +160,19 @@ static inline int ioremap_pud_range(p4d_t *p4d, unsigned long addr,
do {
next = pud_addr_end(addr, end);
- if (ioremap_try_huge_pud(pud, addr, next, phys_addr, prot)) {
+ if (vmap_try_huge_pud(pud, addr, next, phys_addr, prot)) {
*mask |= PGTBL_PUD_MODIFIED;
continue;
}
- if (ioremap_pmd_range(pud, addr, next, phys_addr, prot, mask))
+ if (vmap_pmd_range(pud, addr, next, phys_addr, prot, mask))
return -ENOMEM;
} while (pud++, phys_addr += (next - addr), addr = next, addr != end);
return 0;
}
-static int ioremap_try_huge_p4d(p4d_t *p4d, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr,
- pgprot_t prot)
+static int vmap_try_huge_p4d(p4d_t *p4d, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot)
{
if (!ioremap_p4d_enabled())
return 0;
@@ -195,9 +192,9 @@ static int ioremap_try_huge_p4d(p4d_t *p4d, unsigned long addr,
return p4d_set_huge(p4d, phys_addr, prot);
}
-static inline int ioremap_p4d_range(pgd_t *pgd, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
- pgtbl_mod_mask *mask)
+static int vmap_p4d_range(pgd_t *pgd, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot,
+ pgtbl_mod_mask *mask)
{
p4d_t *p4d;
unsigned long next;
@@ -208,19 +205,19 @@ static inline int ioremap_p4d_range(pgd_t *pgd, unsigned long addr,
do {
next = p4d_addr_end(addr, end);
- if (ioremap_try_huge_p4d(p4d, addr, next, phys_addr, prot)) {
+ if (vmap_try_huge_p4d(p4d, addr, next, phys_addr, prot)) {
*mask |= PGTBL_P4D_MODIFIED;
continue;
}
- if (ioremap_pud_range(p4d, addr, next, phys_addr, prot, mask))
+ if (vmap_pud_range(p4d, addr, next, phys_addr, prot, mask))
return -ENOMEM;
} while (p4d++, phys_addr += (next - addr), addr = next, addr != end);
return 0;
}
-int ioremap_page_range(unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
+static int vmap_range(unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot)
{
pgd_t *pgd;
unsigned long start;
@@ -235,8 +232,7 @@ int ioremap_page_range(unsigned long addr,
pgd = pgd_offset_k(addr);
do {
next = pgd_addr_end(addr, end);
- err = ioremap_p4d_range(pgd, addr, next, phys_addr, prot,
- &mask);
+ err = vmap_p4d_range(pgd, addr, next, phys_addr, prot, &mask);
if (err)
break;
} while (pgd++, phys_addr += (next - addr), addr = next, addr != end);
@@ -249,6 +245,12 @@ int ioremap_page_range(unsigned long addr,
return err;
}
+int ioremap_page_range(unsigned long addr,
+ unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
+{
+ return vmap_range(addr, end, phys_addr, prot);
+}
+
#ifdef CONFIG_GENERIC_IOREMAP
void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long prot)
{
--
2.23.0
WARNING: multiple messages have this Message-ID (diff)
From: Nicholas Piggin <npiggin@gmail.com>
To: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
Nicholas Piggin <npiggin@gmail.com>,
Christoph Hellwig <hch@infradead.org>,
Zefan Li <lizefan@huawei.com>,
Jonathan Cameron <Jonathan.Cameron@Huawei.com>,
linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v8 04/12] mm/ioremap: rename ioremap_*_range to vmap_*_range
Date: Sun, 29 Nov 2020 01:25:51 +1000 [thread overview]
Message-ID: <20201128152559.999540-5-npiggin@gmail.com> (raw)
In-Reply-To: <20201128152559.999540-1-npiggin@gmail.com>
This will be used as a generic kernel virtual mapping function, so
re-name it in preparation.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
mm/ioremap.c | 64 +++++++++++++++++++++++++++-------------------------
1 file changed, 33 insertions(+), 31 deletions(-)
diff --git a/mm/ioremap.c b/mm/ioremap.c
index 5fa1ab41d152..3f4d36f9745a 100644
--- a/mm/ioremap.c
+++ b/mm/ioremap.c
@@ -61,9 +61,9 @@ static inline int ioremap_pud_enabled(void) { return 0; }
static inline int ioremap_pmd_enabled(void) { return 0; }
#endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */
-static int ioremap_pte_range(pmd_t *pmd, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
- pgtbl_mod_mask *mask)
+static int vmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot,
+ pgtbl_mod_mask *mask)
{
pte_t *pte;
u64 pfn;
@@ -81,9 +81,8 @@ static int ioremap_pte_range(pmd_t *pmd, unsigned long addr,
return 0;
}
-static int ioremap_try_huge_pmd(pmd_t *pmd, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr,
- pgprot_t prot)
+static int vmap_try_huge_pmd(pmd_t *pmd, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot)
{
if (!ioremap_pmd_enabled())
return 0;
@@ -103,9 +102,9 @@ static int ioremap_try_huge_pmd(pmd_t *pmd, unsigned long addr,
return pmd_set_huge(pmd, phys_addr, prot);
}
-static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
- pgtbl_mod_mask *mask)
+static int vmap_pmd_range(pud_t *pud, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot,
+ pgtbl_mod_mask *mask)
{
pmd_t *pmd;
unsigned long next;
@@ -116,20 +115,19 @@ static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr,
do {
next = pmd_addr_end(addr, end);
- if (ioremap_try_huge_pmd(pmd, addr, next, phys_addr, prot)) {
+ if (vmap_try_huge_pmd(pmd, addr, next, phys_addr, prot)) {
*mask |= PGTBL_PMD_MODIFIED;
continue;
}
- if (ioremap_pte_range(pmd, addr, next, phys_addr, prot, mask))
+ if (vmap_pte_range(pmd, addr, next, phys_addr, prot, mask))
return -ENOMEM;
} while (pmd++, phys_addr += (next - addr), addr = next, addr != end);
return 0;
}
-static int ioremap_try_huge_pud(pud_t *pud, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr,
- pgprot_t prot)
+static int vmap_try_huge_pud(pud_t *pud, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot)
{
if (!ioremap_pud_enabled())
return 0;
@@ -149,9 +147,9 @@ static int ioremap_try_huge_pud(pud_t *pud, unsigned long addr,
return pud_set_huge(pud, phys_addr, prot);
}
-static inline int ioremap_pud_range(p4d_t *p4d, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
- pgtbl_mod_mask *mask)
+static int vmap_pud_range(p4d_t *p4d, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot,
+ pgtbl_mod_mask *mask)
{
pud_t *pud;
unsigned long next;
@@ -162,20 +160,19 @@ static inline int ioremap_pud_range(p4d_t *p4d, unsigned long addr,
do {
next = pud_addr_end(addr, end);
- if (ioremap_try_huge_pud(pud, addr, next, phys_addr, prot)) {
+ if (vmap_try_huge_pud(pud, addr, next, phys_addr, prot)) {
*mask |= PGTBL_PUD_MODIFIED;
continue;
}
- if (ioremap_pmd_range(pud, addr, next, phys_addr, prot, mask))
+ if (vmap_pmd_range(pud, addr, next, phys_addr, prot, mask))
return -ENOMEM;
} while (pud++, phys_addr += (next - addr), addr = next, addr != end);
return 0;
}
-static int ioremap_try_huge_p4d(p4d_t *p4d, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr,
- pgprot_t prot)
+static int vmap_try_huge_p4d(p4d_t *p4d, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot)
{
if (!ioremap_p4d_enabled())
return 0;
@@ -195,9 +192,9 @@ static int ioremap_try_huge_p4d(p4d_t *p4d, unsigned long addr,
return p4d_set_huge(p4d, phys_addr, prot);
}
-static inline int ioremap_p4d_range(pgd_t *pgd, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
- pgtbl_mod_mask *mask)
+static int vmap_p4d_range(pgd_t *pgd, unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot,
+ pgtbl_mod_mask *mask)
{
p4d_t *p4d;
unsigned long next;
@@ -208,19 +205,19 @@ static inline int ioremap_p4d_range(pgd_t *pgd, unsigned long addr,
do {
next = p4d_addr_end(addr, end);
- if (ioremap_try_huge_p4d(p4d, addr, next, phys_addr, prot)) {
+ if (vmap_try_huge_p4d(p4d, addr, next, phys_addr, prot)) {
*mask |= PGTBL_P4D_MODIFIED;
continue;
}
- if (ioremap_pud_range(p4d, addr, next, phys_addr, prot, mask))
+ if (vmap_pud_range(p4d, addr, next, phys_addr, prot, mask))
return -ENOMEM;
} while (p4d++, phys_addr += (next - addr), addr = next, addr != end);
return 0;
}
-int ioremap_page_range(unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
+static int vmap_range(unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot)
{
pgd_t *pgd;
unsigned long start;
@@ -235,8 +232,7 @@ int ioremap_page_range(unsigned long addr,
pgd = pgd_offset_k(addr);
do {
next = pgd_addr_end(addr, end);
- err = ioremap_p4d_range(pgd, addr, next, phys_addr, prot,
- &mask);
+ err = vmap_p4d_range(pgd, addr, next, phys_addr, prot, &mask);
if (err)
break;
} while (pgd++, phys_addr += (next - addr), addr = next, addr != end);
@@ -249,6 +245,12 @@ int ioremap_page_range(unsigned long addr,
return err;
}
+int ioremap_page_range(unsigned long addr,
+ unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
+{
+ return vmap_range(addr, end, phys_addr, prot);
+}
+
#ifdef CONFIG_GENERIC_IOREMAP
void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long prot)
{
--
2.23.0
next prev parent reply other threads:[~2020-11-28 22:06 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-28 15:25 [PATCH v8 00/12] huge vmalloc mappings Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 01/12] mm/vmalloc: fix vmalloc_to_page for huge vmap mappings Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 02/12] mm: apply_to_pte_range warn and fail if a large pte is encountered Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 03/12] mm/vmalloc: rename vmap_*_range vmap_pages_*_range Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin [this message]
2020-11-28 15:25 ` [PATCH v8 04/12] mm/ioremap: rename ioremap_*_range to vmap_*_range Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 05/12] mm: HUGE_VMAP arch support cleanup Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-12-01 14:21 ` Catalin Marinas
2020-12-01 14:21 ` Catalin Marinas
2020-12-01 14:21 ` Catalin Marinas
2020-11-28 15:25 ` [PATCH v8 06/12] powerpc: inline huge vmap supported functions Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 07/12] arm64: " Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 08/12] x86: " Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 09/12] mm: Move vmap_range from mm/ioremap.c to mm/vmalloc.c Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 10/12] mm/vmalloc: add vmap_range_noflush variant Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 11/12] mm/vmalloc: Hugepage vmalloc mappings Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 17:07 ` kernel test robot
2020-11-28 17:07 ` kernel test robot
2020-11-28 17:07 ` kernel test robot
2020-11-28 17:41 ` kernel test robot
2020-11-28 17:41 ` kernel test robot
2020-11-28 17:41 ` kernel test robot
2020-11-30 20:21 ` Edgecombe, Rick P
2020-11-30 20:21 ` Edgecombe, Rick P
2020-11-30 21:42 ` Edgecombe, Rick P
2020-11-30 21:42 ` Edgecombe, Rick P
2020-12-04 8:12 ` Nicholas Piggin
2020-12-04 8:12 ` Nicholas Piggin
2020-12-04 18:33 ` Edgecombe, Rick P
2020-12-04 18:33 ` Edgecombe, Rick P
2020-12-05 4:49 ` Nicholas Piggin
2020-12-05 4:49 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 12/12] powerpc/64s/radix: Enable huge " Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201128152559.999540-5-npiggin@gmail.com \
--to=npiggin@gmail.com \
--cc=Jonathan.Cameron@Huawei.com \
--cc=akpm@linux-foundation.org \
--cc=christophe.leroy@csgroup.eu \
--cc=hch@infradead.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=lizefan@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.