search for: gadgeteer

Displaying 20 results from an estimated 217 matches for "gadgeteer".

2007 Jan 10
3
ActiveRecord Error?
We spent a big chunk of yesterday hunting down a strange bug in one of our rails apps and created a test project to try out different theories on what was going on. The result so far is a very small test case app that perfectly reproduces the problem. The question is, is there anything *wrong* with what we''re doing here, or is it a problem with ActiveRecord? We''re on rails
2007 Nov 01
1
List of Nth removed associated objects.
Given the following.. Foo has_many :bars Bar has_many ::widgets Widget has_many :gadgets Gadget has_many :parts All of the following are now possible... @foo.bars @bar.widgets @part.gadget.widget.bar.foo However, I can''t just do the opposite of that last one... @foo.bars.widgets.gadgets.parts and get a full list of every Part associated with @foo. I know there''s several
2007 Oct 29
0
Google Gadget built with prototype
Greetings Everyone, I have created a new Google Gadget, this gadget combines three awesome services by Google, Gadget, Ajax Web Search and Custom Search Engine. All glued together with very well designed javascript classes built with prototypejs. The gadget is flexible in its settings to allow any CSE or site restriction but with a few customizations could be repurposed
2020 Aug 07
2
[RFC] Zeroing Caller Saved Regs
On Fri, Aug 7, 2020 at 1:18 AM David Chisnall <David.Chisnall at cl.cam.ac.uk> wrote: > I think it would be useful for the discussion to have a clear threat model that this intends to defend against and a rough analysis of the security benefits that this is believed to bring. I view this as being even more about a ROP defense. Dealing with spill slots is, IMO, a separate issue, more
2020 Aug 12
4
[RFC] Zeroing Caller Saved Regs
On Mon, Aug 10, 2020 at 3:34 AM David Chisnall <David.Chisnall at cl.cam.ac.uk> wrote: > > Thanks, > > On 07/08/2020 23:28, Kees Cook wrote: > > On Fri, Aug 7, 2020 at 1:18 AM David Chisnall > > <David.Chisnall at cl.cam.ac.uk> wrote: > >> I think it would be useful for the discussion to have a clear threat model that this intends to defend against and
2010 Nov 22
4
OT: gadget to display time remaining
I have two UPSs, one is not connected to a computer. I am looking for a gadget that I can plug in to the other one so I can see the time remaining without a computer.
2020 Apr 04
14
improve use_mm / unuse_mm
Hi all, this series improves the use_mm / unuse_mm interface by better documenting the assumptions, and my taking the set_fs manipulations spread over the callers into the core API.
2020 Apr 04
14
improve use_mm / unuse_mm
Hi all, this series improves the use_mm / unuse_mm interface by better documenting the assumptions, and my taking the set_fs manipulations spread over the callers into the core API.
2020 Apr 16
8
improve use_mm / unuse_mm v2
Hi all, this series improves the use_mm / unuse_mm interface by better documenting the assumptions, and my taking the set_fs manipulations spread over the callers into the core API. Changes since v1: - drop a few patches - fix a comment typo - cover the newly merged use_mm/unuse_mm caller in vfio
2020 Apr 16
8
improve use_mm / unuse_mm v2
Hi all, this series improves the use_mm / unuse_mm interface by better documenting the assumptions, and my taking the set_fs manipulations spread over the callers into the core API. Changes since v1: - drop a few patches - fix a comment typo - cover the newly merged use_mm/unuse_mm caller in vfio
2020 Apr 04
0
[PATCH 5/6] kernel: better document the use_mm/unuse_mm API contract
Switch the function documentation to kerneldoc comments, and add WARN_ON_ONCE asserts that the calling thread is a kernel thread and does not have ->mm set (or has ->mm set in the case of unuse_mm). Also give the functions a kthread_ prefix to better document the use case. Signed-off-by: Christoph Hellwig <hch at lst.de> --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 4 +--
2020 Apr 16
0
[PATCH 2/3] kernel: better document the use_mm/unuse_mm API contract
Switch the function documentation to kerneldoc comments, and add WARN_ON_ONCE asserts that the calling thread is a kernel thread and does not have ->mm set (or has ->mm set in the case of unuse_mm). Also give the functions a kthread_ prefix to better document the use case. Signed-off-by: Christoph Hellwig <hch at lst.de> Acked-by: Felix Kuehling <Felix.Kuehling at amd.com> ---
2019 Nov 22
2
Random nop insertion pass
> On Nov 21, 2019, at 14:23, Robinson, Paul via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > Some years ago there was a random-nop-insertion pass (for ROP gadget removal) proposed, which didn't stick; we recently had a summer intern work on it but did not get to proper quality; I'd like to revive that. Hi Paul, I'm curious about what the use case for this was. In
2009 Mar 26
1
Introduction
Hi, I'm Dave, and I am run a small company in the UK called Contemporary Fusion. Basically I contract out Systems Adminstration to small companies who can not afford a full times systems person - and CentOS is my prefered Server distro (Being RHCE certified I am more comfortable in an RPM enivronment) I am wanting to help spread the word of CentOS, but also help within the existing CentOS
2020 Apr 04
0
[PATCH 4/6] kernel: move use_mm/unuse_mm to kthread.c
These helpers are only for use with kernel threads, and I will tie them more into the kthread infrastructure going forward. Also move the prototypes to kthread.h - mmu_context.h was a little weird to start with as it otherwise contains very low-level MM bits. Signed-off-by: Christoph Hellwig <hch at lst.de> --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 1 +
2020 Apr 04
0
[PATCH 6/6] kernel: set USER_DS in kthread_use_mm
Some architectures like arm64 and s390 require USER_DS to be set for kernel threads to access user address space, which is the whole purpose of kthread_use_mm, but other like x86 don't. That has lead to a huge mess where some callers are fixed up once they are tested on said architectures, while others linger around and yet other like io_uring try to do "clever" optimizations for
2020 Apr 16
0
[PATCH 3/3] kernel: set USER_DS in kthread_use_mm
Some architectures like arm64 and s390 require USER_DS to be set for kernel threads to access user address space, which is the whole purpose of kthread_use_mm, but other like x86 don't. That has lead to a huge mess where some callers are fixed up once they are tested on said architectures, while others linger around and yet other like io_uring try to do "clever" optimizations for
2018 Jan 26
1
RFC: Using link-time optimization to eliminate retpolines
Hi, Sean Silva via llvm-dev wrote: > Wouldn't a branch funnel open the door to a type 1 attack? Only if the code looks exactly as you wrote it. If I understand this correctly the problem with indirect branches is that the "gadget", the code leaking the data, could be *anywhere* in the binary, giving the attacker much more freedom. So restricting these calls to one of the
2021 Jan 20
3
RHEL changes
See: https://arstechnica.com/gadgets/2021/01/centos-is-gone-but-rhel-is-now-free-for-up-to-16-production-servers/ and https://www.redhat.com/en/blog/new-year-new-red-hat-enterprise-linux-programs-easier-ways-access-rhel -- J Martin Rushton MBCS
2020 Jun 08
2
Mitigating straight-line speculation vulnerability CVE-2020-13844
Hi, A new speculative cache side-channel vulnerability has been published at https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation, named "straight-line speculation”, CVE-2020-13844. In this email, I'd like to explain the toolchain mitigation we've prepared to mitigate against this vulnerability for AArch64.