ocess then compares the received values
against the expected values to verify whether it has passed the
given test or not.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/tm/Makefile| 2 +-
tools/testing/selftests/powerpc/tm/tm-ptrace.c | 542
core note types added previously in this regard.
(1) NT_PPC_TM_SPR
(2) NT_PPC_TM_CGPR
(3) NT_PPC_TM_CFPR
(4) NT_PPC_TM_CVMX
Signed-off-by: Anshuman Khandual
---
arch/powerpc/include/uapi/asm/elf.h | 2 +
arch/powerpc/kernel/ptrace.c| 667
Morton
Signed-off-by: Anshuman Khandual
---
include/uapi/linux/elf.h | 5 +
1 file changed, 5 insertions(+)
diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index ea9bf25..2260fc0 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -379,6 +379,11 @@ typedef
This patch creates a function flush_tmregs_to_thread which
will then be used by subsequent patches in this series. The
function checks for self tracing ptrace interface attempts
while in the TM context and logs appropriate warning message.
Signed-off-by: Anshuman Khandual
---
arch/powerpc
This patch enables the fpr_get which gets the running value of all
the FPR registers and the fpr_set which sets the running value of
of all the FPR registers to accommodate in transaction ptrace
interface based requests.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/ptrace.c | 103
: Anshuman Khandual
---
arch/powerpc/include/uapi/asm/elf.h | 1 +
arch/powerpc/kernel/ptrace.c| 123
2 files changed, 124 insertions(+)
diff --git a/arch/powerpc/include/uapi/asm/elf.h
b/arch/powerpc/include/uapi/asm/elf.h
index fdc8e2f..a41bd98 100644
On 11/25/2014 10:36 PM, Shuah Khan wrote:
> On 11/25/2014 01:05 AM, Anshuman Khandual wrote:
>> > This patch adds one more test case called 'tm-ptrace' targeting TM
>> > related ptrace interface. This test creates one child process to
>> > run some basi
Morton
Signed-off-by: Anshuman Khandual
---
include/uapi/linux/elf.h | 5 +
1 file changed, 5 insertions(+)
diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index ea9bf25..2260fc0 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -379,6 +379,11 @@ typedef
This patch enables the vr_get which gets the running value of all
the VMX registers and the vr_set which sets the running value of
of all the VMX registers to accommodate in transaction ptrace
interface based requests.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/ptrace.c | 104
ocess then compares the received values
against the expected values to verify whether it has passed the
given test or not.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/tm/Makefile| 2 +-
tools/testing/selftests/powerpc/tm/tm-ptrace.c | 542
(PASSED)
TM RN PPR: 4 (PASSED)
success: tm_ptrace
Anshuman Khandual (9):
elf: Add new powerpc specifc core note sections
powerpc, process: Add the function flush_tmregs_to_thread
powerpc, ptrace: Enable fpr_(get/set) for transactional memory
powerpc, ptrace: Enable vr_(get/set) for
On 12/02/2014 11:53 PM, Shuah Khan wrote:
> On 12/02/2014 12:56 AM, Anshuman Khandual wrote:
>> > This patch includes all of the powerpc test binaries into the
>> > .gitignore file listing in their respective directories. This
>> > will make sure that GIT ignores al
On 12/03/2014 10:52 AM, Michael Ellerman wrote:
> On Tue, 2014-02-12 at 07:56:45 UTC, Anshuman Khandual wrote:
>> This patch adds four new ELF core note sections for powerpc
>> transactional memory and one new ELF core note section for
>> powerpc general miscellaneous d
On 08/28/2014 03:05 AM, Sukadev Bhattiprolu wrote:
>
> Anshuman Khandual [khand...@linux.vnet.ibm.com] wrote:
> | This patch enables get and set of miscellaneous registers through ptrace
> | PTRACE_GETREGSET/PTRACE_SETREGSET interface by implementing new powerpc
> | specif
On 08/28/2014 03:05 AM, Sukadev Bhattiprolu wrote:
> Anshuman Khandual [khand...@linux.vnet.ibm.com] wrote:
> | This patch enables get and set of transactional memory related register
> | sets through PTRACE_GETREGSET/PTRACE_SETREGSET interface by implementing
> | four new powe
This patch adds a test to verify that the changed DSCR value inside
any process would be inherited to it's child process across the fork
system call.
Acked-by: Shuah Khan
Signed-off-by: Anshuman Khandual
Signed-off-by: Anton Blanchard
---
tools/testing/selftests/powerpc/dscr/Mak
. In case of mfspr instruction,
just emulate the instruction. In case of mtspr instruction, set the
thread based dscr_inherit bit and also enable the facility through FSCR.
All user SPR based mfspr instruction will be emulated till one user SPR
based mtspr has been executed.
Signed-off-by: Anshuman
This patch adds a test case to verify that the changed DSCR value
inside any process would be inherited to it's child across the fork
and exec system call.
Acked-by: Shuah Khan
Signed-off-by: Anshuman Khandual
Signed-off-by: Anton Blanchard
---
tools/testing/selftests/powerpc/dscr/Mak
PACA_DSCR offset macro tracks dscr_default element in the paca
structure. Better change the name of this macro to match that
of the data element it tracks. Makes the code more readable.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/asm-offsets.c | 2 +-
arch/powerpc/kernel
This patch adds some in-code documentation to the DSCR related
code to make it more readable without having any functional
change to it.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/include/asm/processor.h | 9 +
arch/powerpc/kernel/sysfs.c | 38
This patch adds .gitignore for all the newly added DSCR tests.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/dscr/.gitignore | 7 +++
1 file changed, 7 insertions(+)
create mode 100644 tools/testing/selftests/powerpc/dscr/.gitignore
diff --git a/tools/testing
he thread struct DSCR value inside mtspr facility exception path
- Modified the in code documentation to follow the kernel-doc format
- Added seven selftest based DSCR related test cases under powerpc
Original V1:
- Posted here at https://patchwork.ozlabs.org/patch/418583/
Anshuman Khan
.
Signed-off-by: Anshuman Khandual
---
Documentation/powerpc/00-INDEX | 2 +
Documentation/powerpc/dscr.txt | 83 ++
2 files changed, 85 insertions(+)
create mode 100644 Documentation/powerpc/dscr.txt
diff --git a/Documentation/powerpc/00-INDEX b
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/dscr/Makefile | 2 +-
.../powerpc/dscr/dscr_sysfs_thread_test.c | 123 +
2 files changed, 124 insertions(+), 1 deletion(-)
create mode 100644
tools/testing/selftests/powerpc/dscr
This patch adds a test which modifies the DSCR using mtspr instruction
and verifies the change using mfspr instruction. It uses both the
privilege state SPR as well as the problem state SPR for the purpose.
Acked-by: Shuah Khan
Signed-off-by: Anshuman Khandual
Signed-off-by: Anton Blanchard
This patch adds a test which verifies that the DSCR privilege and
problem state SPR read & write accesses while making sure that the
results are always the same irrespective of which SPR number is
being used.
Acked-by: Shuah Khan
Signed-off-by: Anshuman Khandual
Signed-off-by: Anton Blanc
.
efcac658: powerpc: Per process DSCR + some fixes (try#4)
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/process.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index febb50d..8005e18 100644
--- a/arch/powerpc/kernel
This test continuously updates the system wide DSCR default value
in the sysfs interface and makes sure that the same is reflected
across all the sysfs interfaces for each individual CPUs present
on the system.
Acked-by: Shuah Khan
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests
Khan
Signed-off-by: Anshuman Khandual
Signed-off-by: Anton Blanchard
---
tools/testing/selftests/powerpc/Makefile | 2 +-
tools/testing/selftests/powerpc/dscr/Makefile | 17 +++
tools/testing/selftests/powerpc/dscr/dscr.h| 128 +
.../selftests/po
On 05/21/2015 12:13 PM, Anshuman Khandual wrote:
> This patch series has patches for POWER DSCR fixes, improvements,
> in code documentaion, kernel support user documentation and selftest based
> test cases. It has got five test cases which are derived from Anton's DSCR
>
On 05/19/2015 08:37 PM, Anshuman Khandual wrote:
> From: Anshuman Khandual
>
> This patch series adds twelve new ELF core note sections which can
> be used with existing ptrace request PTRACE_GETREGSET-SETREGSET for accessing
> various transactional memory and other misc
On 05/18/2015 10:39 AM, Anton Blanchard wrote:
> Hi Anshuman,
>
> Thanks for getting these testcases into the kernel.
>
>> This patch adds a test to verify that the changed DSCR value inside
>> any process would be inherited to it's child process across the fork
>> system call.
>
> One issue I d
.
efcac658: powerpc: Per process DSCR + some fixes (try#4)
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/process.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index febb50d..8005e18 100644
--- a/arch/powerpc/kernel
://lkml.org/lkml/2015/1/13/148)
-
- Updated the thread struct DSCR value inside mtspr facility exception path
- Modified the in code documentation to follow the kernel-doc format
- Added seven selftest based DSCR related test cases under powerpc
Original V1:
- Posted here at https://patchwork.ozla
Khan
Signed-off-by: Anshuman Khandual
Signed-off-by: Anton Blanchard
---
tools/testing/selftests/powerpc/Makefile | 2 +-
tools/testing/selftests/powerpc/dscr/Makefile | 17 +++
tools/testing/selftests/powerpc/dscr/dscr.h| 120 +++
.../selftests/powerpc
This patch adds a test case to verify that the changed DSCR value
inside any process would be inherited to it's child across the fork
and exec system call.
Acked-by: Shuah Khan
Signed-off-by: Anshuman Khandual
Signed-off-by: Anton Blanchard
---
tools/testing/selftests/powerpc/dscr/Mak
.
Signed-off-by: Anshuman Khandual
---
Documentation/powerpc/00-INDEX | 2 +
Documentation/powerpc/dscr.txt | 83 ++
2 files changed, 85 insertions(+)
create mode 100644 Documentation/powerpc/dscr.txt
diff --git a/Documentation/powerpc/00-INDEX b
PACA_DSCR offset macro tracks dscr_default element in the paca
structure. Better change the name of this macro to match that
of the data element it tracks. Makes the code more readable.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/asm-offsets.c | 2 +-
arch/powerpc/kernel
. In case of mfspr instruction,
just emulate the instruction. In case of mtspr instruction, set the
thread based dscr_inherit bit and also enable the facility through FSCR.
All user SPR based mfspr instruction will be emulated till one user SPR
based mtspr has been executed.
Signed-off-by: Anshuman
This test continuously updates the system wide DSCR default value
in the sysfs interface and makes sure that the same is reflected
across all the sysfs interfaces for each individual CPUs present
on the system.
Acked-by: Shuah Khan
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests
This patch adds a test to verify that the changed DSCR value inside
any process would be inherited to it's child process across the fork
system call.
Acked-by: Shuah Khan
Signed-off-by: Anshuman Khandual
Signed-off-by: Anton Blanchard
---
tools/testing/selftests/powerpc/dscr/Mak
This patch adds some in-code documentation to the DSCR related
code to make it more readable without having any functional
change to it.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/include/asm/processor.h | 9 +
arch/powerpc/kernel/sysfs.c | 38
This patch adds a test which verifies that the DSCR privilege and
problem state SPR read & write accesses while making sure that the
results are always the same irrespective of which SPR number is
being used.
Acked-by: Shuah Khan
Signed-off-by: Anshuman Khandual
Signed-off-by: Anton Blanc
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/dscr/Makefile | 2 +-
.../powerpc/dscr/dscr_sysfs_thread_test.c | 123 +
2 files changed, 124 insertions(+), 1 deletion(-)
create mode 100644
tools/testing/selftests/powerpc/dscr
This patch adds a test which modifies the DSCR using mtspr instruction
and verifies the change using mfspr instruction. It uses both the
privilege state SPR as well as the problem state SPR for the purpose.
Acked-by: Shuah Khan
Signed-off-by: Anshuman Khandual
Signed-off-by: Anton Blanchard
This patch adds .gitignore for all the newly added DSCR tests.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/dscr/.gitignore | 7 +++
1 file changed, 7 insertions(+)
create mode 100644 tools/testing/selftests/powerpc/dscr/.gitignore
diff --git a/tools/testing
the get, set and active functions for this new
register set added.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/ptrace.c | 222 +++
1 file changed, 222 insertions(+)
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index
This patch adds ptrace interface test for VSX, VMX registers
inside suspended TM context.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/ptrace/Makefile| 3 +-
.../selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c | 211 +
2 files changed, 213
This patch adds ptrace interface test for EBB specific
registers. This also adds some generic ptrace interface
based helper functions to be used by other patches later
on in the series.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/Makefile | 2 +-
tools
the get, set and active functions for this new
register set added.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/ptrace.c | 126 +++
1 file changed, 126 insertions(+)
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index
This patch adds a .gitignore file for all the executables in
the ptrace test directory thus making invisible with git status
query.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/ptrace/.gitignore | 11 +++
1 file changed, 11 insertions(+)
create mode 100644 tools
This patch adds ptrace interface test for VSX, VMX registers
inside TM context. This also adds ptrace interface based helper
functions related to chckpointed VSX, VMX registers access.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/ptrace/Makefile| 3
This patch adds ptrace interface test for TAR, PPR, DSCR
registers inside TM context. This also adds ptrace
interface based helper functions related to checkpointed
TAR, PPR, DSCR register access.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/ptrace/Makefile| 2
This patch adds ptrace interface test for GPR/FPR registers
inside suspended TM context.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/ptrace/Makefile| 2 +-
.../selftests/powerpc/ptrace/ptrace-tm-spd-gpr.c | 318 +
2 files changed, 319
This patch adds ptrace interface test for GPR/FPR registers.
This adds ptrace interface based helper functions related to
GPR/FPR access and some assembly helper functions related to
GPR/FPR registers.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/ptrace/Makefile| 5
. It also implements the get, set and active functions
for this new register sets added.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/include/uapi/asm/elf.h | 2 +
arch/powerpc/kernel/ptrace.c| 147
2 files changed, 149 insertions(+)
diff --git a
This patch adds ptrace interface test for TM SPR registers. This
also adds ptrace interface based helper functions related to TM
SPR registers access.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/ptrace/Makefile| 2 +-
.../selftests/powerpc/ptrace/ptrace-tm-spr.c
This patch adds ptrace interface test for GPR/FPR registers
inside TM context. This adds ptrace interface based helper
functions related to checkpointed GPR/FPR access.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/ptrace/Makefile| 3 +-
.../selftests/powerpc/ptrace
the get, set and active functions for this new
register set added.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/include/uapi/asm/elf.h | 1 +
arch/powerpc/kernel/ptrace.c| 129
2 files changed, 130 insertions(+)
diff --git a/arch/powerpc/include
transaction is active. This patch makes these
functions adapt to situations when the transaction is active.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/ptrace.c | 64
1 file changed, 64 insertions(+)
diff --git a/arch/powerpc/kernel/ptrace.c b/arch
, set and active functions for
this new register set added.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/include/uapi/asm/elf.h | 1 +
arch/powerpc/kernel/ptrace.c| 143 +++-
2 files changed, 143 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc
This patch adds ptrace interface test for TAR, PPR, DSCR
registers. This also adds ptrace interface based helper
functions related to TAR, PPR, DSCR register access.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/ptrace/Makefile| 3 +-
.../testing/selftests/powerpc
This patch adds ptrace interface test for TAR, PPR, DSCR
registers inside suspended TM context.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/ptrace/Makefile| 2 +-
.../selftests/powerpc/ptrace/ptrace-tm-spd-tar.c | 184 +
2 files changed, 185
This patch splits gpr32_get, gpr32_set functions to accommodate
in transaction ptrace requests implemented in patches later in
the series.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/ptrace.c | 64 +++-
1 file changed, 51 insertions(+), 13
This patch adds SPR number for TAR, PPR, DSCR special
purpose registers. It also adds TM, VSX, VMX related
instructions which will then be used by patches later
in the series.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/reg.h | 21 +
1 file changed
This patch adds ptrace interface test for VSX, VMX registers.
This also adds ptrace interface based helper functions related
to VSX, VMX registers access. This also adds some assembly
helper functions related to VSX and VMX registers.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests
the get, set and active functions for this new
register set added.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/include/uapi/asm/elf.h | 1 +
arch/powerpc/kernel/ptrace.c| 158
2 files changed, 159 insertions(+)
diff --git a/arch/powerpc/include
corresponding to the ELF core
note sections added in this regad. It implements the get, set and
active functions for all these new register sets added.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/ptrace.c | 117 +++
1 file changed, 117
From: Anshuman Khandual
This patch series adds twelve new ELF core note sections which can
be used with existing ptrace request PTRACE_GETREGSET-SETREGSET for accessing
various transactional memory and other miscellaneous debug register sets on
powerpc platform.
Previous versions
This patch creates a function flush_tmregs_to_thread which
will then be used by subsequent patches in this series. The
function checks for self tracing ptrace interface attempts
while in the TM context and logs appropriate warning message.
Signed-off-by: Anshuman Khandual
---
arch/powerpc
is active. This patch makes these
functions adapt to situations when the transaction is active.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/ptrace.c | 90 ++--
1 file changed, 87 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/kernel
sets, EBB related register set etc. Addition of
these new ELF core note sections extends the existing ELF
ABI on powerpc arch without affecting it in any manner.
Signed-off-by: Anshuman Khandual
---
include/uapi/linux/elf.h | 12
1 file changed, 12 insertions(+)
diff --git a
This patch moves 'reg.h' file from pmu 'ebb' sub directory
to the powerpc root directory to make all the register
definitions and instructions available for tests present
in other subsystems.
Signed-off-by: Anshuman Khandual
---
tools/testing/selftests/powerpc/pmu/ebb/ebb.c
and
REGSET_TM_CDSCR in powerpc corresponding to the ELF core note
sections added. It implements the get, set and active functions
for all these new register sets added.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/ptrace.c | 178 +++
1 file
transaction is
active. This patch makes these functions adapt to situations
when the transaction is active.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/kernel/ptrace.c | 93 ++--
1 file changed, 89 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/kernel
On 04/10/2015 01:59 PM, Anshuman Khandual wrote:
> This patch series has patches for POWER DSCR fixes, improvements,
> in code documentaion, kernel support user documentation and selftest based
> test cases. It has got five test cases which are derived from Anton's DSCR
>
On 01/13/2015 03:52 PM, Anshuman Khandual wrote:
> This patch series has patches for POWER DSCR fixes, improvements,
> in code documentaion, kernel support user documentation and selftest based
> test cases. It has got five test cases which are derived from Anton's DSCR
>
On 02/04/2015 01:51 PM, Anshuman Khandual wrote:
> On 01/13/2015 03:52 PM, Anshuman Khandual wrote:
>> >This patch series has patches for POWER DSCR fixes, improvements,
>> > in code documentaion, kernel support user documentation and selftest based
>> > test cas
This just adds 'follow_huge_pgd' function which is will be used
later in this series to make 'follow_page_mask' function aware
of PGD based huge page implementation.
Signed-off-by: Anshuman Khandual
---
include/linux/hugetlb.h | 3 +++
mm/hugetlb.c| 10 +++
es towards enabling GENERAL_HUGETLB implementation for
BOOK3S 64K based huge pages.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/mm/hugetlbpage.c | 35 +++
1 file changed, 35 insertions(+)
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpa
ions for
everything else. While being here, also added 'follow_huge_pgd' function
which was missing earlier.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/mm/hugetlbpage.c | 14 ++
1 file changed, 14 insertions(+)
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powe
at PGD
level (along with PMD level), can use ARCH_WANT_GENERAL_HUGETLB option.
Signed-off-by: Anshuman Khandual
---
mm/hugetlb.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 01f2b48..a478b7b 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -4251
tion.
This change is one of the prerequisites towards enabling GENERAL_HUGETLB
implementation for BOOK3S 64K based huge pages.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/mm/hugetlbpage.c | 67 +++
1 file changed, 43 insertions(+), 24 deletions(-)
di
Currently the function 'follow_page_mask' does not take into account
PGD based huge page implementation. This change achieves that and
makes it complete.
Signed-off-by: Anshuman Khandual
---
mm/gup.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/mm/gup.c b/mm/gup.c
ind
This adds two tests for memory page migration. One for normal page
migration which works for both 4K or 64K base page size kernel and
the other one is for huge page migration which works only on 64K
base page sized 16MB huge page implemention at the PMD level.
Signed-off-by: Anshuman Khandual
hich
are no longer required) are removed with this change.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/Kconfig | 4 ++
arch/powerpc/include/asm/book3s/64/hash-64k.h | 8
arch/powerpc/mm/hugetlbpage.c | 60 ---
3 files
nce during migration.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/Kconfig | 4
1 file changed, 4 insertions(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index c6920bb..cefc368 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -86,6 +86,10 @@ config GENERIC_HWEIG
On 03/10/2016 04:27 AM, Dave Hansen wrote:
> On 03/09/2016 04:10 AM, Anshuman Khandual wrote:
>> > Currently the 'huge_pte_offset' function has only one version for
>> > all the configuations and platforms. This change splits the function
>> > into two vers
On 03/10/2016 01:31 AM, Aneesh Kumar K.V wrote:
> Anshuman Khandual writes:
>
>> > [ text/plain ]
>> > This adds two tests for memory page migration. One for normal page
>> > migration which works for both 4K or 64K base page size kernel and
>> > the
On 03/10/2016 01:28 AM, Aneesh Kumar K.V wrote:
> Anshuman Khandual writes:
>
>> > [ text/plain ]
>> > This enables ARCH_WANT_GENERAL_HUGETLB for BOOK3S 64K in Kconfig.
>> > It also implements a new function 'pte_huge' which is required by
>> >
On 03/10/2016 01:25 AM, Aneesh Kumar K.V wrote:
> Anshuman Khandual writes:
>
>> > [ text/plain ]
>> > From: root
>> >
>> > Currently the 'huge_pte_alloc' function has two versions, one for the
>> > BOOK3S and the other one for the
On 04/07/2016 02:34 PM, Balbir Singh wrote:
>
>
> On 07/04/16 15:37, Anshuman Khandual wrote:
>> Currently the config ARCH_WANT_GENERAL_HUGETLB enabled functions like
>> 'huge_pte_alloc' and 'huge_pte_offset' dont take into account HugeTLB
>> pag
On 04/07/2016 02:56 PM, Balbir Singh wrote:
>
> On 07/04/16 15:37, Anshuman Khandual wrote:
>> > follow_huge_(pmd|pud|pgd) functions are used to walk the page table and
>> > fetch the page struct during 'follow_page_mask' call. There are possible
>> &g
On 04/07/2016 03:04 PM, kbuild test robot wrote:
> All errors (new ones prefixed by >>):
>
>mm/hugetlb.c: In function 'follow_huge_pud':
>>> >> mm/hugetlb.c:4360:3: error: implicit declaration of function 'pud_page'
>>> >> [-Werror=implicit-function-declaration]
> page = pud_page(*pud)
On 04/11/2016 10:55 AM, Anshuman Khandual wrote:
> On 04/07/2016 02:34 PM, Balbir Singh wrote:
>> >
>> >
>> > On 07/04/16 15:37, Anshuman Khandual wrote:
>>> >> Currently the config ARCH_WANT_GENERAL_HUGETLB enabled functions like
>>> &g
ng HugeTLB page migration and clears the way.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/Kconfig | 4
1 file changed, 4 insertions(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 9b3ce18..f2a45eb 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -8
This patch series enables HugeTLB page migration on POWER platform.
This series has some core VM changes (patch 1, 2, 3) and some powerpc
specific changes (patch 4, 5, 6, 7, 8, 9, 10). Comments, suggestions
and inputs are welcome.
Anshuman Khandual (10):
mm/mmap: Replace SHM_HUGE_MASK with
ext. Hence change it back.
Signed-off-by: Anshuman Khandual
---
mm/mmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/mmap.c b/mm/mmap.c
index bd2e1a53..7d730a4 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1315,7 +1315,7 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsi
sion of the function 'follow_huge_addr' has been
left as it is and its upto the architecture to decide on it.
Signed-off-by: Anshuman Khandual
---
include/linux/mm.h | 33 +++
mm/hugetlb.c | 67 ++
2 file
change.
Signed-off-by: Anshuman Khandual
---
arch/powerpc/Kconfig | 4 +++
arch/powerpc/mm/hugetlbpage.c | 58 ---
2 files changed, 4 insertions(+), 58 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 7cd32c0..9b3ce
801 - 900 of 1964 matches
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