On 8/15/21 2:27 AM, Mike Rapoport wrote:
On Thu, Aug 12, 2021 at 04:37:35PM -0700, Vineet Gupta wrote:
MMU SCRATCH_DATA0 register is intended to cache task pgd. However in
ARC700 SMP port, it has to be repurposed for reentrant interrupt
handling, while UP port doesn't. We currently ahandle boe
On 8/15/21 2:27 AM, Mike Rapoport wrote:
Heh,
"Don't pollute mmu.h and cache.h with some of ARC internal bootlog/setup
related functions.
move them aside to setup.h"
is still not there :)
Oops my bad, indeed missed out on that one. Fixed now.
Thx,
-Vineet
__
On 8/15/21 2:27 AM, Mike Rapoport wrote:
On Thu, Aug 12, 2021 at 04:37:50PM -0700, Vineet Gupta wrote:
ARCv2 MMU is software walked and Linux implements 2 levels of paging: pgd/pte.
Forthcoming hw will have multiple levels, so this change preps mm code
for same. It is also fun to try multi level
On 8/15/21 2:26 AM, Mike Rapoport wrote:
On Thu, Aug 12, 2021 at 04:37:34PM -0700, Vineet Gupta wrote:
Hi,
Big pile of ARC mm changes to prepare for 3 or 4 levels of paging (from
current 2) needed for new hardware page walked MMUv6 (in aRCv3 ISA based
cores).
Most of these changes are incremen
ad.org
---
arch/arc/mm/cache.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-next-20210816.orig/arch/arc/mm/cache.c
+++ linux-next-20210816/arch/arc/mm/cache.c
@@ -1041,7 +1041,7 @@ void clear_user_page(void *to, unsigned
clear_page(to);
clear_bit(PG_dc
eet Gupta
Cc: linux-snps-arc@lists.infradead.org
Thx for the fix. Added for 5.16 !
-Vineet
---
arch/arc/mm/cache.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-next-20210816.orig/arch/arc/mm/cache.c
+++ linux-next-20210816/arch/arc/mm/cache.c
@@ -1041,7 +1041,7 @@
From: Guenter Roeck
[ Upstream commit bf79167fd86f3b97390fe2e70231d383526bd9cc ]
Enabling CONFIG_STACKDEPOT results in the following build error.
arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks':
stackdepot.c:(.text+0x456): undefined reference to `__irqentry_text_start'
arc-elf-ld:
From: Guenter Roeck
[ Upstream commit bf79167fd86f3b97390fe2e70231d383526bd9cc ]
Enabling CONFIG_STACKDEPOT results in the following build error.
arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks':
stackdepot.c:(.text+0x456): undefined reference to `__irqentry_text_start'
arc-elf-ld:
From: Guenter Roeck
[ Upstream commit bf79167fd86f3b97390fe2e70231d383526bd9cc ]
Enabling CONFIG_STACKDEPOT results in the following build error.
arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks':
stackdepot.c:(.text+0x456): undefined reference to `__irqentry_text_start'
arc-elf-ld:
From: Guenter Roeck
[ Upstream commit bf79167fd86f3b97390fe2e70231d383526bd9cc ]
Enabling CONFIG_STACKDEPOT results in the following build error.
arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks':
stackdepot.c:(.text+0x456): undefined reference to `__irqentry_text_start'
arc-elf-ld:
From: Guenter Roeck
[ Upstream commit bf79167fd86f3b97390fe2e70231d383526bd9cc ]
Enabling CONFIG_STACKDEPOT results in the following build error.
arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks':
stackdepot.c:(.text+0x456): undefined reference to `__irqentry_text_start'
arc-elf-ld:
From: Guenter Roeck
[ Upstream commit bf79167fd86f3b97390fe2e70231d383526bd9cc ]
Enabling CONFIG_STACKDEPOT results in the following build error.
arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks':
stackdepot.c:(.text+0x456): undefined reference to `__irqentry_text_start'
arc-elf-ld:
From: Guenter Roeck
[ Upstream commit bf79167fd86f3b97390fe2e70231d383526bd9cc ]
Enabling CONFIG_STACKDEPOT results in the following build error.
arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks':
stackdepot.c:(.text+0x456): undefined reference to `__irqentry_text_start'
arc-elf-ld:
On 8/16/2021 5:21 PM, 'Nick Desaulniers' via Clang Built Linux wrote:
cc-option-yn can be replaced with cc-option. ie.
Checking for support:
ifeq ($(call cc-option-yn,$(FLAG)),y)
becomes:
ifneq ($(call cc-option,$(FLAG)),)
Checking for lack of support:
ifeq ($(call cc-option-yn,$(FLAG)),n)
becom
cc-option-yn can be replaced with cc-option. ie.
Checking for support:
ifeq ($(call cc-option-yn,$(FLAG)),y)
becomes:
ifneq ($(call cc-option,$(FLAG)),)
Checking for lack of support:
ifeq ($(call cc-option-yn,$(FLAG)),n)
becomes:
ifeq ($(call cc-option,$(FLAG)),)
This allows us to pursue removing
On Mon, Aug 16, 2021 at 12:53:46PM -0700, Vineet Gupta wrote:
> On 8/15/21 2:27 AM, Mike Rapoport wrote:
> > On Thu, Aug 12, 2021 at 04:37:50PM -0700, Vineet Gupta wrote:
> > > ARCv2 MMU is software walked and Linux implements 2 levels of paging:
> > > pgd/pte.
> > > Forthcoming hw will have multi
On Mon, Aug 16, 2021 at 12:58:18PM -0700, Vineet Gupta wrote:
> On 8/15/21 2:26 AM, Mike Rapoport wrote:
> > On Thu, Aug 12, 2021 at 04:37:34PM -0700, Vineet Gupta wrote:
> > > Hi,
> > >
> > > Big pile of ARC mm changes to prepare for 3 or 4 levels of paging (from
> > > current 2) needed for new h
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