: Christoph Hellwig
Cc: Rob Herring
Cc: Matthias Brugger
Signed-off-by: Miles Chen
---
Change since v4
- remove unnecessary data->enable_4GB = false, since it is kzalloc()ed.
Change since v3
- use lore.kernel.org links
- move "change since..." after "---"
Change since v2:
On Fri, 2020-10-23 at 11:12 +0100, Russell King - ARM Linux admin wrote:
> On Fri, Oct 23, 2020 at 05:14:37PM +0800, Miles Chen wrote:
> > Since kernel no longer writes to the vector, try to replace
> > the vector mem type with read-only type and remove L_PTE_MT_VECTORS.
> >
On Fri, 2020-10-23 at 11:08 +0100, Russell King - ARM Linux admin wrote:
> On Fri, Oct 23, 2020 at 05:14:36PM +0800, Miles Chen wrote:
> > From: Minchan Kim
> >
> > This patch introduces L_PTE_SPECIAL and pte functions for supporting
> > get_user_pages_fast.
> &
On Fri, 2020-10-23 at 11:16 +0100, Russell King - ARM Linux admin wrote:
> On Fri, Oct 23, 2020 at 05:14:35PM +0800, Miles Chen wrote:
> > From: Minchan Kim
> >
> > To use bit 5 in page table as L_PTE_SPECIAL, we need a room for that.
> > It seems we don't need
EV_NONSHARED to SHARED - Catalin
*
https://lkml.kernel.org/r/20180910165011.zcighyuabshsm...@armageddon.cambridge.arm.com
Miles Chen (2):
arm: mm: use strict p[gum]d types
arm: replace vector mem type with read-only type
Minchan Kim (2):
arm: mm: reordering memory type table
arm
ve Capper
Cc: Simon Horman
Cc: Minchan Kim
Cc: Suren Baghdasaryan
Signed-off-by: Minchan Kim
Signed-off-by: Miles Chen
---
arch/arm/include/asm/pgtable-2level.h | 21 +
arch/arm/mm/proc-macros.S | 4 ++--
2 files changed, 19 insertions(+), 6 deletions(-)
di
Baghdasaryan
Signed-off-by: Miles Chen
---
arch/arm/include/asm/pgtable-2level.h | 1 -
arch/arm/mm/mmu.c | 7 +++
arch/arm/mm/proc-macros.S | 2 +-
3 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/arch/arm/include/asm/pgtable-2level.h
b/arch/arm/i
From: Minchan Kim
This patch introduces L_PTE_SPECIAL and pte functions for supporting
get_user_pages_fast.
Cc: Russell King
Cc: Catalin Marinas
Cc: Will Deacon
Cc: Steve Capper
Cc: Minchan Kim
Cc: Suren Baghdasaryan
Signed-off-by: Minchan Kim
Signed-off-by: Miles Chen
---
arch/arm
;) [-Werror,-Wincompatible-pointer-types]
mm/gup.c:2616:9: error: array initializer must be an initializer list
Fix some types errors in fixmap.h after using strict types.
Cc: Russell King
Cc: Catalin Marinas
Cc: Minchan Kim
Cc: Suren Baghdasaryan
Signed-off-by: Miles Chen
---
arch/arm
On Tue, 2020-10-27 at 09:11 +, Russell King - ARM Linux admin wrote:
> On Tue, Oct 27, 2020 at 03:45:12PM +0800, Miles Chen wrote:
> > On Fri, 2020-10-23 at 11:08 +0100, Russell King - ARM Linux admin wrote:
> > > On Fri, Oct 23, 2020 at 05:14:36PM +0800, Miles Chen w
] https://lkml.org/lkml/2020/7/15/1147
Cc: Mike Rapoport
Cc: David Hildenbrand
Cc: Yong Wu
Cc: Yingjoe Chen
Cc: Christoph Hellwig
Cc: Yong Wu
Cc: Chao Hao
Cc: Rob Herring
Cc: Matthias Brugger
Signed-off-by: Miles Chen
---
drivers/iommu/mtk_iommu.c | 26
On Tue, 2020-07-21 at 11:10 +0200, David Hildenbrand wrote:
> On 21.07.20 04:16, Miles Chen wrote:
> > In previous discussion [1] and [2], we found that it is risky to
> > use max_pfn or totalram_pages to tell if 4GB mode is enabled.
> >
> > Check 4GB mode by reading in
On Tue, 2020-07-21 at 23:19 +0200, Matthias Brugger wrote:
>
> On 21/07/2020 13:24, Yong Wu wrote:
> > On Tue, 2020-07-21 at 11:40 +0200, Matthias Brugger wrote:
> >>
> >> On 21/07/2020 04:16, Miles Chen wrote:
> >>> In previous discussion [1] and [
On Wed, 2020-07-22 at 15:17 +0800, Miles Chen wrote:
> On Tue, 2020-07-21 at 23:19 +0200, Matthias Brugger wrote:
> >
> > On 21/07/2020 13:24, Yong Wu wrote:
> > > On Tue, 2020-07-21 at 11:40 +0200, Matthias Brugger wrote:
> > >>
> > >> On 21/07/2
e_4GB only when has_4gb_mode
[1] https://lkml.org/lkml/2020/6/3/733
[2] https://lkml.org/lkml/2020/6/4/136
[3] https://lkml.org/lkml/2020/7/15/1147
Cc: Mike Rapoport
Cc: David Hildenbrand
Cc: Yong Wu
Cc: Yingjoe Chen
Cc: Christoph Hellwig
Cc: Rob Herring
Cc: Matthias Brugger
Signed-off-by:
On Wed, 2020-07-22 at 17:19 +0200, Matthias Brugger wrote:
>
> On 22/07/2020 16:19, Miles Chen wrote:
> > In previous discussion [1] and [2], we found that it is risky to
> > use max_pfn or totalram_pages to tell if 4GB mode is enabled.
> >
> > Check 4GB mode by rea
: Christoph Hellwig
Cc: Rob Herring
Cc: Matthias Brugger
Signed-off-by: Miles Chen
---
Change since v3
- use lore.kernel.org links
- move "change since..." after "---"
Change since v2:
- determine compatible string by m4u_plat
- rebase to next-20200720
- add "---"
On Wed, 2020-07-15 at 14:51 -0600, Rob Herring wrote:
> On Thu, Jul 02, 2020 at 05:37:17PM +0800, Miles Chen wrote:
> > Add a description for mediatek,infracfg. We can check if 4GB mode
> > is enable by reading it instead of checking the unexported
> > symbol "max_pfn
On Wed, 2020-07-15 at 23:05 +0200, Matthias Brugger wrote:
>
> On 02/07/2020 11:37, Miles Chen wrote:
> > In previous disscusion [1] and [2], we found that it is risky to
> > use max_pfn or totalram_pages to tell if 4GB mode is enabled.
> >
> > Check 4GB mode by rea
When we try to visit the pagemap of a tagged userspace pointer, we find
that the start_vaddr is not correct because of the tag.
To fix it, we should untag the usespace pointers in pagemap_read().
Signed-off-by: Miles Chen
---
fs/proc/task_mmu.c | 4 ++--
1 file changed, 2 insertions(+), 2
On Tue, 2019-05-28 at 11:43 +0100, Robin Murphy wrote:
> On 27/05/2019 17:08, Miles Chen wrote:
> > This change makes CONFIG_ZONE_DMA32 defuly y and allows users
> > to overwrite it.
> >
> > For the SoCs that do not need CONFIG_ZONE_DMA32, this is the
> > first st
2. remove redundant IS_ENABLED(CONFIG_ZONE_DMA32)
Cc: Robin Murphy
Signed-off-by: Miles Chen
---
arch/arm64/Kconfig | 3 ++-
arch/arm64/mm/init.c | 5 +++--
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 76f6e4765f49..20c552b13
ss
in __pa()/__virt_to_phys().
A simple solution is to use the original virt_to_page()
(the one with__pa()) if CONFIG_DEBUG_VIRTUAL=y.
Signed-off-by: Miles Chen
Cc: Ard Biesheuvel
---
arch/arm64/include/asm/memory.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/include/as
On Thu, 2017-11-16 at 16:13 -0800, Andrew Morton wrote:
> On Fri, 17 Nov 2017 06:56:12 +0800 wrote:
>
> > From: Miles Chen
> >
> > dma-debug reports the following warning:
> >
> > [name:panic&]WARNING: CPU: 3 PID: 298 at kernel-4.4/lib/dma-debug.c:60
On Thu, 2017-11-23 at 09:58 +0100, Christoph Hellwig wrote:
> Can you just resend the original patch with the fixes?
>
No problem. I'll resend the original patch with this fix.
Signed-off-by: Miles Chen
---
scripts/checkpatch.pl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index dd2c262..dc6da15 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5957,7 +5957,7 @@ sub process {
#
On Wed, 2017-09-13 at 22:33 -0700, Joe Perches wrote:
> On Thu, 2017-09-14 at 11:01 +0800, Miles Chen wrote:
> > Current unnamed function definition argument does not include function
> > pointer cases and it reports warnings like:
> >
> > WARNING: function definition
Signed-off-by: Miles Chen
---
scripts/checkpatch.pl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index dd2c262..03eb255 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5957,7 +5957,7 @@ sub process {
#
-0xff9008576000 4K PTE RW NX SHD AF
0xff900858-0xff900859 64K PTE RW NX SHD AF
0xff9008591000-0xff90085d1000 256K PTE RW NX SHD AF
...
Signed-off-by: Miles Chen
---
arch/arm64/include/asm/memory.h | 12 +++--
arch/arm64
On Sun, 2017-10-01 at 10:04 +0200, Christoph Hellwig wrote:
> On Wed, Sep 27, 2017 at 11:23:52AM +0100, Robin Murphy wrote:
> > > I found that debug_dma_alloc_coherent() and debug_dma_free_coherent()
> > > assume that dma_alloc_coherent() always returns a linear address.
> > > However it's possible
On Tue, 2017-09-26 at 15:53 +0100, Robin Murphy wrote:
> On 26/09/17 14:24, miles.c...@mediatek.com wrote:
> > From: Miles Chen
> >
> > dma-debug report the following warning:
> >
> > [name:panic&]WARNING: CPU: 3 PID: 298 at kernel-4.4/lib/dma-debug.c:604
&
ory layout:
modules : 0xffa7df637000 - 0xffa7e7637000 ( 128 MB)
Signed-off-by: Miles Chen
---
arch/arm64/mm/init.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 5960bef..57a11d5 100644
--- a/arch/arm64/mm/init.c
On Mon, 2017-08-07 at 14:18 +0100, Ard Biesheuvel wrote:
> On 7 August 2017 at 14:16, Will Deacon wrote:
> > On Mon, Aug 07, 2017 at 07:04:46PM +0800, Miles Chen wrote:
> >> The commit f80fb3a3d508 ("arm64: add support for kernel ASLR")
> >> moved module virtu
On Mon, 2017-08-07 at 15:01 +0100, Will Deacon wrote:
> On Mon, Aug 07, 2017 at 02:18:00PM +0100, Ard Biesheuvel wrote:
> > On 7 August 2017 at 14:16, Will Deacon wrote:
> > > On Mon, Aug 07, 2017 at 07:04:46PM +0800, Miles Chen wrote:
> > >> The commit f80fb3a
On Tue, 2017-08-08 at 12:44 +0800, Miles Chen wrote:
> On Mon, 2017-08-07 at 15:01 +0100, Will Deacon wrote:
> > On Mon, Aug 07, 2017 at 02:18:00PM +0100, Ard Biesheuvel wrote:
> > > On 7 August 2017 at 14:16, Will Deacon wrote:
> > > > On Mon, Aug 07, 2017 at 07:0
0xffc88200-0xffc8c000 992M PMD RW NX SHD AF
0xffc8c000-0xffc9 1G PGD RW NX SHD AF
Signed-off-by: Miles Chen
---
arch/arm64/include/asm/memory.h | 12 +++--
arch/arm64/include/asm/module.h | 6 -
arch/arm64/include/asm/pgtable.h | 4
On Wed, 2017-11-08 at 09:05 -0600, Christopher Lameter wrote:
> On Wed, 8 Nov 2017, Miles Chen wrote:
>
> > > Ok then the aliasing failed for some reason. The creation of the unique id
> > > and the alias detection needs to be in sync otherwise duplicate filenames
> &
On Thu, 2017-11-09 at 09:49 -0600, Christopher Lameter wrote:
> On Thu, 9 Nov 2017, Miles Chen wrote:
>
> > In this fix patch, it disables slab merging if SLUB_DEBUG=O and
> > CONFIG_SLUB_DEBUG_ON=y but the debug features are disabled by the
> > disable_higher_order_debu
On Tue, 2017-11-07 at 09:22 -0600, Christopher Lameter wrote:
> On Tue, 7 Nov 2017, miles.c...@mediatek.com wrote:
>
> > When slub_debug=O is set. It is possible to clear debug flags
> > for an "unmergeable" slab cache in kmem_cache_open().
> > It makes the "unmergeable" cache became "mergeable" i
The following commit has been merged into the sched/core branch of tip:
Commit-ID: 4adcdcea717cb2d8436bef00dd689aa5bc76f11b
Gitweb:
https://git.kernel.org/tip/4adcdcea717cb2d8436bef00dd689aa5bc76f11b
Author:Miles Chen
AuthorDate:Thu, 12 Sep 2019 18:34:52 +08:00
Committer
Commit-ID: ee050dc83bc326ad5ef8ee93bca344819371e7a5
Gitweb: https://git.kernel.org/tip/ee050dc83bc326ad5ef8ee93bca344819371e7a5
Author: Miles Chen
AuthorDate: Thu, 15 Aug 2019 19:32:46 +0800
Committer: Thomas Gleixner
CommitDate: Mon, 19 Aug 2019 12:57:28 +0200
lib/stackdepot: Fix
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