Re: [PATCH] efi/arm: fix allocation failure when reserving the kernel base

2019-08-20 Thread Russell King - ARM Linux admin
On Fri, Aug 02, 2019 at 05:38:54AM +, Chester Lin wrote: > diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c > index f3ce34113f89..909b11ba48d8 100644 > --- a/arch/arm/mm/mmu.c > +++ b/arch/arm/mm/mmu.c > @@ -1184,6 +1184,9 @@ void __init adjust_lowmem_bounds(void) > phys_addr_t

Re: [PATCH] efi/arm: fix allocation failure when reserving the kernel base

2019-08-20 Thread Russell King - ARM Linux admin
On Sun, Aug 04, 2019 at 10:57:00AM +0300, Ard Biesheuvel wrote: > (The first TEXT_OFFSET bytes are no longer used in practice, which is > why putting a reserved region of 4 KB bytes works at the moment, but > this is fragile). That is not correct for 32-bit ARM. The swapper page table is still lo

Re: [PATCH v2] efi/arm: enable CP15 DMB instructions before cleaning the cache

2019-04-12 Thread Russell King - ARM Linux admin
On Fri, Apr 12, 2019 at 02:00:16PM -0700, Ard Biesheuvel wrote: > If I use the forgotten password feature, it tells me > > """ > The email address you provided (ard.biesheu...@linaro.org) is not > valid. Please try again. > """ Fixed, consequence of the upgrades back in January, requiring a chang

Re: [PATCH v2] efi/arm: enable CP15 DMB instructions before cleaning the cache

2019-04-12 Thread Russell King - ARM Linux admin
On Fri, Apr 12, 2019 at 01:38:12PM -0700, Ard Biesheuvel wrote: > On Tue, 9 Apr 2019 at 09:42, Ard Biesheuvel wrote: > > > > The EFI stub is entered with the caches and MMU enabled by the > > firmware, and once the stub is ready to hand over to the decompressor, > > we clean and disable the caches