Re: [RFC PATCH] powerpc/lib: Fixing use a temporary mm for code patching

2020-04-20 Thread Christopher M. Riedl
On Sat Apr 18, 2020 at 12:27 PM, Christophe Leroy wrote: > > > > > Le 15/04/2020 à 18:22, Christopher M Riedl a écrit : > >> On April 15, 2020 4:12 AM Christophe Leroy wrote: > >> > >> > >> Le 15/04/2020 à 07:16, Christopher M Riedl a écrit : > On March 26, 2020 9:42 AM Christophe Leroy

Re: [RFC PATCH] powerpc/lib: Fixing use a temporary mm for code patching

2020-04-18 Thread Christophe Leroy
Le 15/04/2020 à 18:22, Christopher M Riedl a écrit : On April 15, 2020 4:12 AM Christophe Leroy wrote: Le 15/04/2020 à 07:16, Christopher M Riedl a écrit : On March 26, 2020 9:42 AM Christophe Leroy wrote: This patch fixes the RFC series identified below. It fixes three points: -

Re: [RFC PATCH] powerpc/lib: Fixing use a temporary mm for code patching

2020-04-15 Thread Christopher M Riedl
> On April 15, 2020 4:12 AM Christophe Leroy wrote: > > > Le 15/04/2020 à 07:16, Christopher M Riedl a écrit : > >> On March 26, 2020 9:42 AM Christophe Leroy wrote: > >> > >> > >> This patch fixes the RFC series identified below. > >> It fixes three points: > >> - Failure with CONFIG_PPC_K

Re: [RFC PATCH] powerpc/lib: Fixing use a temporary mm for code patching

2020-04-15 Thread Christophe Leroy
Le 15/04/2020 à 07:16, Christopher M Riedl a écrit : On March 26, 2020 9:42 AM Christophe Leroy wrote: This patch fixes the RFC series identified below. It fixes three points: - Failure with CONFIG_PPC_KUAP - Failure to write do to lack of DIRTY bit set on the 8xx - Inadequaly complex WA

Re: [RFC PATCH] powerpc/lib: Fixing use a temporary mm for code patching

2020-04-14 Thread Christopher M Riedl
> On March 26, 2020 9:42 AM Christophe Leroy wrote: > > > This patch fixes the RFC series identified below. > It fixes three points: > - Failure with CONFIG_PPC_KUAP > - Failure to write do to lack of DIRTY bit set on the 8xx > - Inadequaly complex WARN post verification > > However, it has an

[RFC PATCH] powerpc/lib: Fixing use a temporary mm for code patching

2020-03-26 Thread Christophe Leroy
This patch fixes the RFC series identified below. It fixes three points: - Failure with CONFIG_PPC_KUAP - Failure to write do to lack of DIRTY bit set on the 8xx - Inadequaly complex WARN post verification However, it has an impact on the CPU load. Here is the time needed on an 8xx to run the ftra