On Fri, May 07, 2021 at 03:03:51PM -0500, Christopher M. Riedl wrote:
> On Thu May 6, 2021 at 5:51 AM CDT, Peter Zijlstra wrote:
> > On Wed, May 05, 2021 at 11:34:51PM -0500, Christopher M. Riedl wrote:
> > > Powerpc allows for multiple CPUs to patch concurrently. When patching
> > > with
On Thu May 6, 2021 at 5:51 AM CDT, Peter Zijlstra wrote:
> On Wed, May 05, 2021 at 11:34:51PM -0500, Christopher M. Riedl wrote:
> > Powerpc allows for multiple CPUs to patch concurrently. When patching
> > with STRICT_KERNEL_RWX a single patching_mm is allocated for use by all
> > CPUs for the
On Wed, May 05, 2021 at 11:34:51PM -0500, Christopher M. Riedl wrote:
> Powerpc allows for multiple CPUs to patch concurrently. When patching
> with STRICT_KERNEL_RWX a single patching_mm is allocated for use by all
> CPUs for the few times that patching occurs. Use a spinlock to protect
> the
