* + mm-mmap-drop-arch_filter_pgprot.patch added to -mm tree
@ 2022-02-22 3:13 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2022-02-22 3:13 UTC (permalink / raw)
To: mm-commits, anshuman.khandual, akpm
The patch titled
Subject: mm/mmap: drop arch_filter_pgprot()
has been added to the -mm tree. Its filename is
mm-mmap-drop-arch_filter_pgprot.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-mmap-drop-arch_filter_pgprot.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-mmap-drop-arch_filter_pgprot.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@arm.com>
Subject: mm/mmap: drop arch_filter_pgprot()
There are no platforms left which subscribe ARCH_HAS_FILTER_PGPROT. Hence
just drop arch_filter_pgprot() and also the config ARCH_HAS_FILTER_PGPROT.
Link: https://lkml.kernel.org/r/1645425519-9034-13-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/Kconfig | 3 ---
mm/mmap.c | 10 +---------
2 files changed, 1 insertion(+), 12 deletions(-)
--- a/mm/Kconfig~mm-mmap-drop-arch_filter_pgprot
+++ a/mm/Kconfig
@@ -744,9 +744,6 @@ config IDLE_PAGE_TRACKING
config ARCH_HAS_CACHE_LINE_SIZE
bool
-config ARCH_HAS_FILTER_PGPROT
- bool
-
config ARCH_HAS_VM_GET_PAGE_PROT
bool
--- a/mm/mmap.c~mm-mmap-drop-arch_filter_pgprot
+++ a/mm/mmap.c
@@ -102,14 +102,6 @@ static void unmap_region(struct mm_struc
* w: (no) no
* x: (yes) yes
*/
-
-#ifndef CONFIG_ARCH_HAS_FILTER_PGPROT
-static inline pgprot_t arch_filter_pgprot(pgprot_t prot)
-{
- return prot;
-}
-#endif
-
static inline pgprot_t __vm_get_page_prot(unsigned long vm_flags)
{
switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) {
@@ -155,7 +147,7 @@ pgprot_t vm_get_page_prot(unsigned long
pgprot_t ret = __pgprot(pgprot_val(__vm_get_page_prot(vm_flags)) |
pgprot_val(arch_vm_get_page_prot(vm_flags)));
- return arch_filter_pgprot(ret);
+ return ret;
}
EXPORT_SYMBOL(vm_get_page_prot);
#endif /* CONFIG_ARCH_HAS_VM_GET_PAGE_PROT */
_
Patches currently in -mm which might be from anshuman.khandual@arm.com are
mm-generalize-arch_has_filter_pgprot.patch
mm-merge-pte_mkhuge-call-into-arch_make_huge_pte.patch
mm-debug_vm_pgtable-drop-protection_map-usage.patch
mm-mmap-clarify-protection_map-indices.patch
mm-mmap-add-new-config-arch_has_vm_get_page_prot.patch
powerpc-mm-enable-arch_has_vm_get_page_prot.patch
arm64-mm-enable-arch_has_vm_get_page_prot.patch
sparc-mm-enable-arch_has_vm_get_page_prot.patch
mips-mm-enable-arch_has_vm_get_page_prot.patch
m68k-mm-enable-arch_has_vm_get_page_prot.patch
arm-mm-enable-arch_has_vm_get_page_prot.patch
mm-mmap-drop-protection_map.patch
mm-mmap-drop-arch_filter_pgprot.patch
mm-mmap-drop-arch_vm_get_page_pgprot.patch
s390-mm-enable-arch_has_vm_get_page_prot.patch
riscv-mm-enable-arch_has_vm_get_page_prot.patch
alpha-mm-enable-arch_has_vm_get_page_prot.patch
sh-mm-enable-arch_has_vm_get_page_prot.patch
arc-mm-enable-arch_has_vm_get_page_prot.patch
csky-mm-enable-arch_has_vm_get_page_prot.patch
extensa-mm-enable-arch_has_vm_get_page_prot.patch
parisc-mm-enable-arch_has_vm_get_page_prot.patch
openrisc-mm-enable-arch_has_vm_get_page_prot.patch
um-mm-enable-arch_has_vm_get_page_prot.patch
microblaze-mm-enable-arch_has_vm_get_page_prot.patch
nios2-mm-enable-arch_has_vm_get_page_prot.patch
hexagon-mm-enable-arch_has_vm_get_page_prot.patch
nds32-mm-enable-arch_has_vm_get_page_prot.patch
ia64-mm-enable-arch_has_vm_get_page_prot.patch
mm-mmap-drop-generic-vm_get_page_prot.patch
mm-mmap-drop-arch_has_vm_get_page_prot.patch
mm-hugetlb-generalize-arch_want_general_hugetlb.patch
mm-migration-add-trace-events-for-thp-migrations.patch
mm-migration-add-trace-events-for-base-page-and-hugetlb-migrations.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
* + mm-mmap-drop-arch_filter_pgprot.patch added to -mm tree
@ 2022-04-07 23:26 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2022-04-07 23:26 UTC (permalink / raw)
To: mm-commits, will, tglx, paulus, mpe, mingo, khalid.aziz, hch,
davem, catalin.marinas, anshuman.khandual, akpm
The patch titled
Subject: mm/mmap: drop arch_filter_pgprot()
has been added to the -mm tree. Its filename is
mm-mmap-drop-arch_filter_pgprot.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-mmap-drop-arch_filter_pgprot.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-mmap-drop-arch_filter_pgprot.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@arm.com>
Subject: mm/mmap: drop arch_filter_pgprot()
There are no platforms left which subscribe ARCH_HAS_FILTER_PGPROT. Hence
drop generic arch_filter_pgprot() and also config ARCH_HAS_FILTER_PGPROT.
Link: https://lkml.kernel.org/r/20220407103251.1209606-7-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Khalid Aziz <khalid.aziz@oracle.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/Kconfig | 3 ---
mm/mmap.c | 9 +--------
2 files changed, 1 insertion(+), 11 deletions(-)
--- a/mm/Kconfig~mm-mmap-drop-arch_filter_pgprot
+++ a/mm/Kconfig
@@ -762,9 +762,6 @@ config ARCH_HAS_CURRENT_STACK_POINTER
register alias named "current_stack_pointer", this config can be
selected.
-config ARCH_HAS_FILTER_PGPROT
- bool
-
config ARCH_HAS_VM_GET_PAGE_PROT
bool
--- a/mm/mmap.c~mm-mmap-drop-arch_filter_pgprot
+++ a/mm/mmap.c
@@ -121,20 +121,13 @@ pgprot_t protection_map[16] __ro_after_i
};
#ifndef CONFIG_ARCH_HAS_VM_GET_PAGE_PROT
-#ifndef CONFIG_ARCH_HAS_FILTER_PGPROT
-static inline pgprot_t arch_filter_pgprot(pgprot_t prot)
-{
- return prot;
-}
-#endif
-
pgprot_t vm_get_page_prot(unsigned long vm_flags)
{
pgprot_t ret = __pgprot(pgprot_val(protection_map[vm_flags &
(VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) |
pgprot_val(arch_vm_get_page_prot(vm_flags)));
- return arch_filter_pgprot(ret);
+ return ret;
}
EXPORT_SYMBOL(vm_get_page_prot);
#endif /* CONFIG_ARCH_HAS_VM_GET_PAGE_PROT */
_
Patches currently in -mm which might be from anshuman.khandual@arm.com are
mm-debug_vm_pgtable-drop-protection_map-usage.patch
mm-mmap-clarify-protection_map-indices.patch
mm-mmap-add-new-config-arch_has_vm_get_page_prot.patch
powerpc-mm-enable-arch_has_vm_get_page_prot.patch
arm64-mm-enable-arch_has_vm_get_page_prot.patch
sparc-mm-enable-arch_has_vm_get_page_prot.patch
mm-mmap-drop-arch_filter_pgprot.patch
mm-mmap-drop-arch_vm_get_page_pgprot.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
* + mm-mmap-drop-arch_filter_pgprot.patch added to -mm tree
@ 2022-04-14 21:10 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2022-04-14 21:10 UTC (permalink / raw)
To: mm-commits, will, tglx, paulus, mpe, mingo, khalid.aziz, hch,
davem, christophe.leroy, catalin.marinas, anshuman.khandual, akpm
The patch titled
Subject: mm/mmap: drop arch_filter_pgprot()
has been added to the -mm tree. Its filename is
mm-mmap-drop-arch_filter_pgprot.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-mmap-drop-arch_filter_pgprot.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-mmap-drop-arch_filter_pgprot.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@arm.com>
Subject: mm/mmap: drop arch_filter_pgprot()
There are no platforms left which subscribe ARCH_HAS_FILTER_PGPROT. Hence
drop generic arch_filter_pgprot() and also config ARCH_HAS_FILTER_PGPROT.
Link: https://lkml.kernel.org/r/20220414062125.609297-7-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Khalid Aziz <khalid.aziz@oracle.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
--- a/mm/Kconfig~mm-mmap-drop-arch_filter_pgprot
+++ a/mm/Kconfig
@@ -762,9 +762,6 @@ config ARCH_HAS_CURRENT_STACK_POINTER
register alias named "current_stack_pointer", this config can be
selected.
-config ARCH_HAS_FILTER_PGPROT
- bool
-
config ARCH_HAS_VM_GET_PAGE_PROT
bool
--- a/mm/mmap.c~mm-mmap-drop-arch_filter_pgprot
+++ a/mm/mmap.c
@@ -121,20 +121,11 @@ pgprot_t protection_map[16] __ro_after_i
};
#ifndef CONFIG_ARCH_HAS_VM_GET_PAGE_PROT
-#ifndef CONFIG_ARCH_HAS_FILTER_PGPROT
-static inline pgprot_t arch_filter_pgprot(pgprot_t prot)
-{
- return prot;
-}
-#endif
-
pgprot_t vm_get_page_prot(unsigned long vm_flags)
{
- pgprot_t ret = __pgprot(pgprot_val(protection_map[vm_flags &
- (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) |
+ return __pgprot(pgprot_val(protection_map[vm_flags &
+ (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) |
pgprot_val(arch_vm_get_page_prot(vm_flags)));
-
- return arch_filter_pgprot(ret);
}
EXPORT_SYMBOL(vm_get_page_prot);
#endif /* CONFIG_ARCH_HAS_VM_GET_PAGE_PROT */
_
Patches currently in -mm which might be from anshuman.khandual@arm.com are
mm-debug_vm_pgtable-drop-protection_map-usage.patch
mm-mmap-clarify-protection_map-indices.patch
mm-mmap-add-new-config-arch_has_vm_get_page_prot.patch
powerpc-mm-enable-arch_has_vm_get_page_prot.patch
arm64-mm-enable-arch_has_vm_get_page_prot.patch
sparc-mm-enable-arch_has_vm_get_page_prot.patch
mm-mmap-drop-arch_filter_pgprot.patch
mm-mmap-drop-arch_vm_get_page_pgprot.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-04-14 21:10 UTC | newest]
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