Re: [linux-yocto] [PATCH] powerpc/603: Fix handling of the DIRTY flag

2019-09-24 Thread Bruce Ashfield
In message: [linux-yocto][PATCH] powerpc/603: Fix handling of the DIRTY flag on 24/09/2019 zhe...@windriver.com wrote: > From: Christophe Leroy > > commit 415480dce2ef03bb8335deebd2f402f475443ce0 upstream > > If a page is already mapped RW without the DIRTY flag, the DIRTY

[linux-yocto] [PATCH] powerpc/603: Fix handling of the DIRTY flag

2019-09-23 Thread zhe.he
From: Christophe Leroy commit 415480dce2ef03bb8335deebd2f402f475443ce0 upstream If a page is already mapped RW without the DIRTY flag, the DIRTY flag is never set and a TLB store miss exception is taken forever. This is easily reproduced with the following app: void main(void) { volati