ted macros/defines.
* convert identations from tabs to spaces.
* inside generic__test_and_* use 'bitops_uint_t' instead of 'unsigned long'
to be generic.
Signed-off-by: Oleksii Kurochko
---
Patches 04 - 08 of this patch series are prerequisite for this patch.
---
Changes in
atomic_cmpxchg(v, 0, 1);
r1 = READ_ONCE(*x);
}
exists (u=1 /\ v=1 /\ 0:r1=0 /\ 1:r1=0)
[1] https://marc.info/?l=linux-kernel=151930201102853=2
https://groups.google.com/a/groups.riscv.org/forum/#!topic/isa-dev/hKywNHBkAXM
https://marc.info/?l=linux-kernel=151633436614259=2
```
Signed-off-
Signed-off-by: Oleksii Kurochko
---
Changes in V5:
- update the comment around "struct domain *domain;" : zero -> NULL
- fix ident. for unsigned long val;
- put page_to_virt() and virt_to_page() close to each other.
- drop unnessary leading underscore
- drop a space befor
The definition of __read_mostly should be removed in:
https://lore.kernel.org/xen-devel/f25eb5c9-7c14-6e23-8535-2c66772b3...@suse.com/
The patch introduces it in arch-specific header to not
block enabling of full Xen build for RISC-V.
Signed-off-by: Oleksii Kurochko
---
- [PATCH] move
Signed-off-by: Oleksii Kurochko
---
Changes in V5:
- new patch
---
xen/arch/riscv/include/asm/fence.h | 9 +
1 file changed, 9 insertions(+)
create mode 100644 xen/arch/riscv/include/asm/fence.h
diff --git a/xen/arch/riscv/include/asm/fence.h
b/xen/arch/riscv/include/asm/fence.h
This patch disables unnecessary configs for two cases:
1. By utilizing EXTRA_FIXED_RANDCONFIG for randconfig builds (GitLab CI jobs).
2. By using tiny64_defconfig for non-randconfig builds.
Signed-off-by: Oleksii Kurochko
---
Changes in V5:
- Rebase and drop duplicated configs
the header was added definions of ioremap_*().
Signed-off-by: Oleksii Kurochko
---
Changes in V5:
- Xen code style related fixes
- drop #define _raw_{read,write}{b,w,l,d,q} _raw_{read,write}{b,w,l,d,q}
- drop cpu_to_le16()
- remove unuused argument in _io_ar()
- update the commit message
- drop
These functions can be useful for architectures that don't
have corresponding arch-specific instructions.
Signed-off-by: Oleksii Kurochko
---
Changes in V5:
- new patch
---
xen/include/asm-generic/bitops/__ffs.h| 47 +++
xen/include/asm-generic/bitops/ffs.h
in the arch-specific folder.
Signed-off-by: Oleksii Kurochko
Acked-by: Jan Beulich
---
Changes in V5:
- Nothing changed. Only rebase.
- update the commit message.
- drop the message above revision log as there is no depenency for this patch
from other patch series.
---
Changes in V4:
- removed
on of it.
- change the Author of commit with introduction of asm/atomic.h.
- update some definition from spinlock.h.
- code style changes.
---
Oleksii Kurochko (23):
xen/riscv: disable unnecessary configs
xen/riscv: use some asm-generic headers
xen/riscv: introduce nospec.h
xen/asm-generic: i
These functions can be useful for architectures that don't
have corresponding arch-specific instructions.
Signed-off-by: Oleksii Kurochko
---
Changes in V5:
- new patch
---
xen/include/asm-generic/bitops/fls.h | 18 ++
xen/include/asm-generic/bitops/flsl.h | 10
The generic ffz() can be useful for architectures
that don't have corresponding arch-specific instruction.
Signed-off-by: Oleksii Kurochko
---
Changes in V5:
- new patch
---
xen/include/asm-generic/bitops/ffz.h | 18 ++
1 file changed, 18 insertions(+)
create mode 100644
* BITOP_WORD
* BITOP_TYPE
These functions and macros can be useful for architectures
that don't have corresponding arch-specific instructions.
Signed-off-by: Oleksii Kurochko
---
Changes in V5:
- new patch
---
xen/include/asm-generic/bitops/bitops-bits.h | 21 +
.../asm-generic/bitops/generic
/atomics-ops.h
Signed-off-by: Bobby Eshleman
Signed-off-by: Oleksii Kurochko
---
Changes in V5:
- fence.h changes were moved to separate patch as patches related to io.h and
cmpxchg.h,
which are dependecies for this patch, also needed changes in fence.h
- remove accessing of zero-length array
Signed-off-by: Oleksii Kurochko
Acked-by: Jan Beulich
---
Changes in V7-V11:
- Only rebase was done.
---
Changes in V6:
- update the commit in stubs.c around /* ... common/irq.c ... */
- add Acked-by: Jan Beulich
---
Changes in V5:
- drop unrelated changes
- assert_failed("unimplm
* __test_and_set_bit
Signed-off-by: Oleksii Kurochko
Acked-by: Jan Beulich
---
Changes in V11:
- Nothing changed. Only rebase was done.
---
Changes in V10:
- update the error message BITS_PER_LONG -> BITOP_BITS_PER_WORD
---
Changes in V9:
- add Acked-by: Jan Beulich
- d
to utilize Clang, it's important to note that,
currently, there is no Xen RISC-V CI job in place to verify the
seamless functioning of the build with Clang.
Signed-off-by: Oleksii Kurochko
--
Changes in V5-V11:
- Nothing changed. Only rebase.
---
Changes in V6:
- update the message in README
requires asm/perf.h and asm/perfc-defn.h, so it is
also disabled for now, as RISC-V hasn't introduced this headers yet.
LIVEPATCH isn't ready for RISC-V too and it can be overriden by randconfig,
so to avoid compilation errors for randconfig it is disabled for now.
Signed-off-by: Oleksii Kurochko
Signed-off-by: Oleksii Kurochko
Reviewed-by: Jan Beulich
---
At least this patch cann't be merged w/o Andrew's patch series is merged as
ffs related
functions are used from that patch series:
https://lore.kernel.org/xen-devel/20240313172716.2325427-1-andrew.coop...@citrix.com/T/#t
rototype of the per-architecture fls{l}() functions was changed to
return 'unsigned int' to align with the generic implementation of these
functions and avoid introducing signed/unsigned mismatches.
Signed-off-by: Oleksii Kurochko
---
The current one patch can be merged w/o waiting of Andrew's patc
* __test_and_set_bit() will be defined using
arch__test_and_set_bit() and generic__test_and_set_bit().
Signed-off-by: Oleksii Kurochko
---
Reviewed-by: Jan Beulich jbeul...@suse.com? Jan gave his R-by for the previous
version of the patch, but some changes were done, so I wasn't sure if I could
use th
Signed-off-by: Oleksii Kurochko
Acked-by: Jan Beulich
---
Changes in V8-V11:
- Nothing changed only rebase.
---
Changes in V7:
- update argument type of maddr_to_virt() function: unsigned long -> paddr_t
- rename argument of PFN_ORDER(): pfn -> pg.
- add Acked-by: Jan Beulich
---
C
The definition of __read_mostly should be removed in:
https://lore.kernel.org/xen-devel/f25eb5c9-7c14-6e23-8535-2c66772b3...@suse.com/
The patch introduces it in arch-specific header to not
block enabling of full Xen build for RISC-V.
Signed-off-by: Oleksii Kurochko
---
- [PATCH] move
- update some definition from spinlock.h.
- code style changes.
---
Oleksii Kurochko (9):
xen/riscv: disable unnecessary configs
xen: introduce generic non-atomic test_*bit()
xen/bitops: implement fls{l}() in common logic
xen/riscv: introduce bitops.h
xen/riscv: add definition of __read_m
t_bit().
Signed-off-by: Oleksii Kurochko
---
The context ("* Find First Set bit. Bits are labelled from 1." in
xen/bitops.h )
suggests there's a dependency on an uncommitted patch. It happens becuase
the current patch
series is based on Andrew's patch series (
htt
s used.
- align arch-riscv.h with Arm's version of it.
- change the Author of commit with introduction of asm/atomic.h.
- update some definition from spinlock.h.
- code style changes.
---
Oleksii Kurochko (14):
xen/riscv: disable unnecessary configs
xen: introduce generic non-atomic test_*bit
The definition of __read_mostly should be removed in:
https://lore.kernel.org/xen-devel/f25eb5c9-7c14-6e23-8535-2c66772b3...@suse.com/
The patch introduces it in arch-specific header to not
block enabling of full Xen build for RISC-V.
Signed-off-by: Oleksii Kurochko
---
- [PATCH] move
Signed-off-by: Oleksii Kurochko
---
Changes in V4-V10:
- Nothing changed. Only rebase.
---
Changes in V3:
- new patch.
---
xen/arch/riscv/include/asm/monitor.h | 26 ++
1 file changed, 26 insertions(+)
create mode 100644 xen/arch/riscv/include/asm/monitor.h
diff --git
* __test_and_set_bit
Signed-off-by: Oleksii Kurochko
Acked-by: Jan Beulich
---
Changes in V10:
- update the error message BITS_PER_LONG -> BITOP_BITS_PER_WORD
---
Changes in V9:
- add Acked-by: Jan Beulich
- drop redefinition of bitop_uint_t in asm/types.h as some operation in
requires asm/perf.h and asm/perfc-defn.h, so it is
also disabled for now, as RISC-V hasn't introduced this headers yet.
LIVEPATCH isn't ready for RISC-V too and it can be overriden by randconfig,
so to avoid compilation errors for randconfig it is disabled for now.
Signed-off-by: Oleksii Kurochko
Signed-off-by: Oleksii Kurochko
Acked-by: Jan Beulich
---
Changes in V7-V10:
- Only rebase was done.
---
Changes in V6:
- update the commit in stubs.c around /* ... common/irq.c ... */
- add Acked-by: Jan Beulich
---
Changes in V5:
- drop unrelated changes
- assert_failed("unimplm
".aqrl" was approved
by (the author of the RVWMO spec) [2]
[1]
https://patchwork.kernel.org/project/linux-arm-kernel/patch/1391516953-14541-1-git-send-email-will.dea...@arm.com/
[2]
https://lore.kernel.org/linux-riscv/41e01514-74ca-84f2-f5cc-2645c444f...@nvidia.com/
Signed-off-by: Oleksii K
kernel/patch/1391516953-14541-1-git-send-email-will.dea...@arm.com/
[2]
https://lore.kernel.org/linux-riscv/41e01514-74ca-84f2-f5cc-2645c444f...@nvidia.com/
Signed-off-by: Bobby Eshleman
Signed-off-by: Oleksii Kurochko
Acked-by: Jan Beulich
---
Changes in V10:
- drop unnessary parentheses around p i
to utilize Clang, it's important to note that,
currently, there is no Xen RISC-V CI job in place to verify the
seamless functioning of the build with Clang.
Signed-off-by: Oleksii Kurochko
---
Changes in V5-V10:
- Nothing changed. Only rebase.
---
Changes in V6:
- update the message in README
Add minimal requied things to be able to build full Xen.
Signed-off-by: Oleksii Kurochko
Acked-by: Jan Beulich
---
Changes in V5-V10:
- Nothing changed. Only rebase.
---
Changes in V4:
- BUG() was changed to BUG_ON("unimplemented");
- Change "xen/bug.h" to "xen/li
rototype of the per-architecture fls{l}() functions was changed to
return 'unsigned int' to align with the generic implementation of these
functions and avoid introducing signed/unsigned mismatches.
Signed-off-by: Oleksii Kurochko
---
The patch is almost independent from Andrew's patch series
Signed-off-by: Oleksii Kurochko
---
Changes in V5-V10:
- Only rebase was done.
---
Changes in V4:
- New patch.
---
xen/arch/riscv/Makefile | 1 +
xen/arch/riscv/vm_event.c | 19 +++
2 files changed, 20 insertions(+)
create mode 100644 xen/arch/riscv/vm_event.c
diff --git
Signed-off-by: Oleksii Kurochko
Acked-by: Jan Beulich
---
Changes in V8-V10:
- Nothing changed only rebase.
---
Changes in V7:
- update argument type of maddr_to_virt() function: unsigned long -> paddr_t
- rename argument of PFN_ORDER(): pfn -> pg.
- add Acked-by: Jan Beulich
---
C
Signed-off-by: Oleksii Kurochko
Reviewed-by: Jan Beulich
---
Changes in V5-V10:
- Nothing changed. Only rebase.
---
Changes in V4:
- drop stubs for irq_actor_none() and irq_actor_none() as common/irq.c is
compiled now.
- drop defintion of max_page in stubs.c as common/page_alloc.c
introduction of asm/atomic.h.
- update some definition from spinlock.h.
- code style changes.
---
Oleksii Kurochko (8):
xen/riscv: disable unnecessary configs
xen: introduce generic non-atomic test_*bit()
xen/riscv: introduce bitops.h
xen/riscv: add definition of __read_mostly
xen/r
* __test_and_set_bit
Signed-off-by: Oleksii Kurochko
Acked-by: Jan Beulich
---
Changes in V11-V12:
- Nothing changed. Only rebase was done.
---
Changes in V10:
- update the error message BITS_PER_LONG -> BITOP_BITS_PER_WORD
---
Changes in V9:
- add Acked-by: Jan Beulich
- d
t_bit().
Signed-off-by: Oleksii Kurochko
---
Changes in V12:
- revert change of moving the definition of BITS_PER_BYTE from /bitops.h
to xen/bitops.h.
( a separate patch will be provided to put BITS_PER_BYTE to proper place )
- drop comments on top of generic_*() functions and update the com
Signed-off-by: Oleksii Kurochko
Acked-by: Jan Beulich
---
Changes in V8-V12:
- Nothing changed only rebase.
---
Changes in V7:
- update argument type of maddr_to_virt() function: unsigned long -> paddr_t
- rename argument of PFN_ORDER(): pfn -> pg.
- add Acked-by: Jan Beulich
---
C
to utilize Clang, it's important to note that,
currently, there is no Xen RISC-V CI job in place to verify the
seamless functioning of the build with Clang.
Signed-off-by: Oleksii Kurochko
--
Changes in V5-V12:
- Nothing changed. Only rebase.
---
Changes in V6:
- update the message in README
Signed-off-by: Oleksii Kurochko
Acked-by: Jan Beulich
---
Changes in V7-V12:
- Only rebase was done.
---
Changes in V6:
- update the commit in stubs.c around /* ... common/irq.c ... */
- add Acked-by: Jan Beulich
---
Changes in V5:
- drop unrelated changes
- assert_failed("unimplm
requires asm/perf.h and asm/perfc-defn.h, so it is
also disabled for now, as RISC-V hasn't introduced this headers yet.
LIVEPATCH isn't ready for RISC-V too and it can be overriden by randconfig,
so to avoid compilation errors for randconfig it is disabled for now.
Signed-off-by: Oleksii Kurochko
Signed-off-by: Oleksii Kurochko
Reviewed-by: Jan Beulich
---
At least this patch cann't be merged w/o Andrew's patch series is merged as
ffs related
functions are used from that patch series:
https://lore.kernel.org/xen-devel/20240313172716.2325427-1-andrew.coop...@citrix.com/T/#t
The definition of __read_mostly should be removed in:
https://lore.kernel.org/xen-devel/f25eb5c9-7c14-6e23-8535-2c66772b3...@suse.com/
The patch introduces it in arch-specific header to not
block enabling of full Xen build for RISC-V.
Signed-off-by: Oleksii Kurochko
---
- [PATCH] move
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