Re: [PATCH RFT v14 2/8] Documentation: userspace-api: Add shadow stack API documentation

2025-02-06 Thread Deepak Gupta
ed-by: Deepak Gupta Documentation/userspace-api/index.rst| 1 + Documentation/userspace-api/shadow_stack.rst | 44 2 files changed, 45 insertions(+)

Re: [PATCH RFT v11 2/8] Documentation: userspace-api: Add shadow stack API documentation

2024-10-30 Thread Deepak Gupta
On Sat, Oct 05, 2024 at 11:31:29AM +0100, Mark Brown wrote: There are a number of architectures with shadow stack features which we are presenting to userspace with as consistent an API as we can (though there are some architecture specifics). Especially given that there are some important consid

Re: [PATCH RFT v11 1/8] arm64/gcs: Return a success value from gcs_alloc_thread_stack()

2024-10-30 Thread Deepak Gupta
ce to just return an int with 0 on success and a negative error code on failure. Signed-off-by: Mark Brown Acked-by: Deepak Gupta

Re: [PATCHv6 bpf-next 0/9] uprobe: uretprobe speed up

2024-05-21 Thread Deepak Gupta
On Tue, May 21, 2024 at 12:48:16PM +0200, Jiri Olsa wrote: hi, as part of the effort on speeding up the uprobes [0] coming with return uprobe optimization by using syscall instead of the trap on the uretprobe trampoline. I understand this provides an optimization on x86. I believe primary reaso

Re: [PATCHv5 bpf-next 6/8] x86/shstk: Add return uprobe support

2024-05-14 Thread Deepak Gupta
On Wed, May 15, 2024 at 01:10:03AM +, Edgecombe, Rick P wrote: On Mon, 2024-05-13 at 15:23 -0600, Jiri Olsa wrote: so at the moment the patch 6 changes shadow stack for 1) current uretprobe which are not working at the moment and we change    the top value of shadow stack with shstk_push_fr

Re: [PATCHv4 bpf-next 2/7] uprobe: Add uretprobe syscall to speed up return probe

2024-05-03 Thread Deepak Gupta
On Fri, May 03, 2024 at 07:38:18PM +, Edgecombe, Rick P wrote: +Some more shadow stack folks from other archs. We are discussing how uretprobes work with shadow stack. Context: https://lore.kernel.org/lkml/ZjU4ganRF1Cbiug6@krava/ Thanks Rick. Yeah I didn't give enough attention to uprobes

PRINTER DRIVER

2000-10-22 Thread Deepak Gupta
Dear ALL, I have to develop a Printer Driver for Red Hat Linux 6.2. Can anyone help me in finding the specs or any other documentation to get some start on this. Any Help will be appreciated. Thanks a Lot. With Best Regards, Deepak Gupta Project Leader DCM Technologies New Delhi - INDIA - To