Re: ARM: static kernel in vmalloc space (was Re: [PATCH 0/3] Highmem support for 32-bit RISC-V)

2020-05-11 Thread Arnd Bergmann
On Mon, May 11, 2020 at 4:21 PM afzal mohammed wrote: > > Hi, > > Kernel now boots to prompt w/ static kernel mapping moved to vmalloc > space. > > Changes currently done have a couple of platform specific things, this > has to be modified to make it multiplatform friendly (also to be taken > care

ARM: static kernel in vmalloc space (was Re: [PATCH 0/3] Highmem support for 32-bit RISC-V)

2020-05-11 Thread afzal mohammed
Hi, Kernel now boots to prompt w/ static kernel mapping moved to vmalloc space. Changes currently done have a couple of platform specific things, this has to be modified to make it multiplatform friendly (also to be taken care is ARM_PATCH_PHYS_VIRT case). Module address space has to be taken car

Re: [PATCH 0/3] Highmem support for 32-bit RISC-V

2020-05-04 Thread Arnd Bergmann
On Mon, May 4, 2020 at 11:10 AM afzal mohammed wrote: > > [ +linux-arm-kernel > > Context: This is regarding VMSPLIT_4G_4G support for 32-bit ARM as a > possible replacement to highmem. For that, initially, it is being > attempted to move static kernel mapping from lowmem to vmalloc space. >

Re: [PATCH 0/3] Highmem support for 32-bit RISC-V

2020-05-04 Thread afzal mohammed
[ +linux-arm-kernel Context: This is regarding VMSPLIT_4G_4G support for 32-bit ARM as a possible replacement to highmem. For that, initially, it is being attempted to move static kernel mapping from lowmem to vmalloc space. in next reply, i will remove everyone/list !ARM related ] Hi,

Re: [PATCH 0/3] Highmem support for 32-bit RISC-V

2020-05-03 Thread Arnd Bergmann
On Sun, May 3, 2020 at 4:50 PM afzal mohammed wrote: > > Hi Arnd, > > > On Tue, Apr 14, 2020 at 09:29:46PM +0200, Arnd Bergmann wrote: > > > > Another thing to try early is to move the vmlinux virtual address > > > from the linear mapping into vmalloc space. This does not require > > > LPAE either

Re: [PATCH 0/3] Highmem support for 32-bit RISC-V

2020-05-03 Thread afzal mohammed
Hi Arnd, > On Tue, Apr 14, 2020 at 09:29:46PM +0200, Arnd Bergmann wrote: > > Another thing to try early is to move the vmlinux virtual address > > from the linear mapping into vmalloc space. This does not require > > LPAE either, but it only works on relatively modern platforms that > > don't ha