On Sat, Jun 5, 2021 at 2:17 PM Linus Torvalds
wrote:
> On Sat, Jun 5, 2021 at 11:11 AM Casey Schaufler
> wrote:
> >
> > You have fallen into a common fallacy. The fact that the "code runs"
> > does not assure that the "system works right". In the security world
> > we face this all the time, oft
On Fri, Jun 4, 2021 at 8:08 PM Alexei Starovoitov
wrote:
> On Fri, Jun 4, 2021 at 4:34 PM Paul Moore wrote:
> >
> > > Again, the problem is not limited to BPF at all. kprobes is doing
> > > register-
> > > time hooks which are equivalent to the one of BPF. Anything in run-time
> > > trying to pr
On Sat, Jun 5, 2021 at 11:11 AM Casey Schaufler wrote:
>
> You have fallen into a common fallacy. The fact that the "code runs"
> does not assure that the "system works right". In the security world
> we face this all the time, often with performance expectations. In this
> case the BPF design has
On 6/4/2021 5:08 PM, Alexei Starovoitov wrote:
> On Fri, Jun 4, 2021 at 4:34 PM Paul Moore wrote:
>>> Again, the problem is not limited to BPF at all. kprobes is doing register-
>>> the hooks which are equivalent to the one of BPF. Anything in run-time
>>> trying to prevent probe_read_kernel by kp
On Fri, Jun 04, 2021 at 11:58:34AM -0400, Konrad Rzeszutek Wilk wrote:
> On Wed, Jun 02, 2021 at 09:53:15AM +0300, Christoph Hellwig wrote:
> > Hi all,
>
> Hi!
>
> You wouldn't have a nice git repo to pull so one can test it easily?
git://git.infradead.org/users/hch/block.git alloc_disk-part2
Commit b26e8f27253a ("powerpc/mem: Move cache flushing functions into
mm/cacheflush.c") removed asm/sparsemem.h which is required when
CONFIG_MEMORY_HOTPLUG is selected to get the declaration of
create_section_mapping().
Add it back.
Fixes: b26e8f27253a ("powerpc/mem: Move cache flushing function