hat it can be copied to userspace, but not written to using
copy_from_user().
No, we don't have a function to whitelist only for copy_to_user() and not
copy_from_user().
Thank you
Anjali K
Hi Kees
Thank you for your review.
On 17/06/24 23:29, Kees Cook wrote:
> On Fri, Jun 14, 2024 at 11:08:44PM +0530, Anjali K wrote:
>> Reading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu-*
>> results in a BUG() when the config CONFIG_HARDENED_USERCOPY is enabled as
s.
Specify useroffset=0 and usersize=DISPATCH_LOG_BYTES to whitelist the
entire object.
Co-developed-by: Vishal Chourasia
Signed-off-by: Vishal Chourasia
Signed-off-by: Anjali K
---
arch/powerpc/platforms/pseries/setup.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/ar
Hi Michael,
Can you please share your review comments on this patch when you get a chance?
On 28/05/24 09:33, Anjali K wrote:
> Currently in some cases, when the sampled instruction address register
> latches to a specific address during sampling, the privilege bits captured
> in th
events are also included under PPMU_P10, hence
remove the code specific to PPMU_P10_DD1 marked events.
Signed-off-by: Anjali K
---
Changelog:
v2->v3:
Addressed review comments from Michael Ellerman to change the commit
message and update the values of PPMU_P10 and PPMU_HAS_ATTR_CONFIG1 flags
t
On 24/05/24 12:55, Michael Ellerman wrote:
> Hi Anjali,
>
> Anjali K writes:
>> Currently in some cases, when the sampled instruction address register
>> latches to a specific address during sampling, there is an inconsistency
>> in the privilege bits captured in
ed to
contain the proposed fix.
Signed-off-by: Anjali K
---
Changelog:
V1->V2:
Fixed the build warning reported by the kernel test bot
Added a new flag PPMU_P10 and used it instead of PPMU_ARCH_31 to restrict
the changes to the current platform (Power10)
arch/powerpc/include/asm/perf_event_s
On 12/05/24 07:52, kernel test robot wrote:
Hi Anjali,
kernel test robot noticed the following build warnings:
[auto build test WARNING on dd5a440a31fae6e459c0d627162825505361]
url:https://github.com/intel-lab-lkp/linux/commits/Anjali-K/powerpc-perf-set-cpumode-flags-using-sample-address
RCH_31).
Signed-off-by: Anjali K
---
arch/powerpc/perf/core-book3s.c | 41 ++---
1 file changed, 17 insertions(+), 24 deletions(-)
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 6b5f8a94e7d8..dd0c23ebaf5a 100644
--- a/arch/powerp
