Directly use is_kernel() helper in kernel_or_module_addr().
Cc: Andrey Ryabinin
Cc: Alexander Potapenko
Cc: Andrey Konovalov
Cc: Dmitry Vyukov
Signed-off-by: Kefeng Wang
---
mm/kasan/report.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/kasan/report.c
The is_kernel_inittext() and init_kernel_text() are with same
functionality, let's just keep is_kernel_inittext() and move
it into sections.h, then update all the callers.
Cc: Ingo Molnar
Cc: Thomas Gleixner
Cc: Arnd Bergmann
Cc: x...@kernel.org
Signed-off-by: Kefeng Wang
---
Use is_kernel_text() helper to simplify code.
Cc: Michal Simek
Signed-off-by: Kefeng Wang
---
arch/microblaze/mm/pgtable.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
index c1833b159d3b..9f73265aad4e 100644
Commit b56cd05c55a1 ("x86/mm: Rename is_kernel_text to __is_kernel_text"),
add '__' prefix not to get in conflict with existing is_kernel_text() in
.
We will add __is_kernel_text() for the basic kernel text range check in the
next patch, so use private is_x86_32_kernel_text() naming for x86
The is_kernel_inittext/is_kernel_text/is_kernel function should not
include the end address(the labels _einittext, _etext and _end) when
check the address range, the issue exists since Linux v2.6.12.
Cc: Arnd Bergmann
Cc: Sergey Senozhatsky
Cc: Petr Mladek
Reviewed-by: Petr Mladek
After commit 4ba66a976072 ("arch: remove blackfin port"),
no need arch-specific text/data check.
Cc: Arnd Bergmann
Signed-off-by: Kefeng Wang
---
include/asm-generic/sections.h | 16
include/linux/kallsyms.h | 3 +--
kernel/locking/lockdep.c | 3 ---
3 files
Hi Kai,
Thank you for your contribution to the powerpc kernel!
> Get rid of warning:
> arch/powerpc/kernel/eeh.c:774: warning: expecting prototype for
> eeh_set_pe_freset(). Prototype was for eeh_set_dev_freset() instead
You haven't said where this warning is from. I thought it might be from
On Thu, Sep 30, 2021 at 4:13 PM Daniel Axtens wrote:
>
> Hi Michael,
>
> > kvmppc_h_set_dabr(), and kvmppc_h_set_xdabr() which jumps into
> > it, need to use _GLOBAL_TOC to setup the kernel TOC pointer, because
> > kvmppc_h_set_dabr() uses LOAD_REG_ADDR() to load dawr_force_enable.
>
> This makes
Move core_kernel_data() into sections.h and rename it to
is_kernel_core_data(), also make it return bool value, then
update all the callers.
Cc: Arnd Bergmann
Cc: Steven Rostedt
Cc: Ingo Molnar
Cc: "David S. Miller"
Signed-off-by: Kefeng Wang
---
include/asm-generic/sections.h | 16
There are three head files(kallsyms.h, kernel.h and sections.h) which
include the kernel sections range check, let's make some cleanup and
unify them.
1. cleanup arch specific text/data check and fix address boundary check
in kallsyms.h
2. make all the basic/core kernel range check function
Hi Michael,
> kvmppc_h_set_dabr(), and kvmppc_h_set_xdabr() which jumps into
> it, need to use _GLOBAL_TOC to setup the kernel TOC pointer, because
> kvmppc_h_set_dabr() uses LOAD_REG_ADDR() to load dawr_force_enable.
This makes sense. LOAD_REG_ADDR() does ld reg,name@got(r2) and
_GLOBAL_TOC
An internal __is_kernel() helper which only check the
kernel address ranges, and an internal __is_kernel_text()
helper which only check text section ranges.
Signed-off-by: Kefeng Wang
---
include/asm-generic/sections.h | 29 +
include/linux/kallsyms.h | 4 ++--
Use is_kernel_text() helper to simplify code.
Cc: Richard Henderson
Cc: Ivan Kokshaysky
Cc: Matt Turner
Signed-off-by: Kefeng Wang
---
arch/alpha/kernel/traps.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index
The core_kernel_text() should check the gate area, as it is part
of kernel text range, use is_kernel_text() in core_kernel_text().
Cc: Steven Rostedt
Signed-off-by: Kefeng Wang
---
kernel/extable.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/extable.c
Use core_kernel_text() helper to simplify code, also drop etext,
_stext, _sinittext, _einittext declaration which already declared
in section.h.
Cc: Michael Ellerman
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Christophe Leroy
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Kefeng Wang
On 9/30/21 9:11 AM, Kefeng Wang wrote:
> Use is_kernel_text() helper to simplify code.
>
> Cc: Michal Simek
> Signed-off-by: Kefeng Wang
> ---
> arch/microblaze/mm/pgtable.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/microblaze/mm/pgtable.c
Patch adds support to include Sampled Instruction Address Register
(SIAR) and Sampled Data Address Register (SDAR) SPRs as part of extended
registers. Update the definition of PERF_REG_PMU_MASK_300/31 and
PERF_REG_EXTENDED_MAX to include these SPR's.
Signed-off-by: Athira Rajeev
---
PERF_REG_PMU_MASK_300 and PERF_REG_PMU_MASK_31 defines the mask
value for extended registers. Current definition of these mask values
uses hex constant and does not use registers by name, making it less
readable. Patch refactor the macro values in perf tools side header file
by or'ing together the
On 9/30/21 12:25, Cédric Le Goater wrote:
The IPR drivers tests for MSI support at probe time with MSI vector 0
and when done, frees the IRQ with free_irq(). This test was introduced
by 95fecd90397e ("ipr: add test for MSI interrupt support") as an
improvement of commit 5a9ef25b14d3 ("[SCSI]
On 29/09/2021 17:44, Andrew Donnellan wrote:
On 29/9/21 11:43 pm, Uwe Kleine-König wrote:> I'm not a huge fan either,
I used it to keep the control flow as is and
without introducing several calls to to_pci_driver.
The whole code looks as follows:
list_for_each_entry(afu_dev,
Generic version of arch_is_kernel_initmem_freed() now does the same
as powerpc version.
Remove the powerpc version.
Cc: Kefeng Wang
Signed-off-by: Christophe Leroy
---
v3: No change
v2: No change
---
arch/powerpc/include/asm/sections.h | 13 -
1 file changed, 13 deletions(-)
diff
The IPR drivers tests for MSI support at probe time with MSI vector 0
and when done, frees the IRQ with free_irq(). This test was introduced
by 95fecd90397e ("ipr: add test for MSI interrupt support") as an
improvement of commit 5a9ef25b14d3 ("[SCSI] ipr: add MSI support")
because a boot failure
Generic version of arch_is_kernel_initmem_freed() now does the same
as s390 version.
Remove the s390 version.
Cc: Gerald Schaefer
Cc: Kefeng Wang
Acked-by: Heiko Carstens
Signed-off-by: Christophe Leroy
---
v3: No change
v2: No change
---
arch/s390/include/asm/sections.h | 12
Patch enables presenting of Sampled Instruction Address Register (SIAR)
and Sampled Data Address Register (SDAR) SPRs as part of extended regsiters
for perf tool. Add these SPR's to sample_reg_mask in the tool side (to use
with -I? option).
Signed-off-by: Athira Rajeev
---
Patch set adds PMU registers namely Sampled Instruction Address Register
(SIAR) and Sampled Data Address Register (SDAR) as part of extended regs
in PowerPC. These registers provides the instruction/data address and
adding these to extended regs helps in debug purposes.
Patch 1/4 and 2/4
core_kernel_text() considers that until system_state in at least
SYSTEM_RUNNING, init memory is valid.
But init memory is freed a few lines before setting SYSTEM_RUNNING,
so we have a small period of time when core_kernel_text() is wrong.
Create an intermediate system state called
Commit 7a5da02de8d6 ("locking/lockdep: check for freed initmem in
static_obj()") added arch_is_kernel_initmem_freed() which is supposed
to report whether an object is part of already freed init memory.
For the time being, the generic version of arch_is_kernel_initmem_freed()
always reports
PERF_REG_PMU_MASK_300 and PERF_REG_PMU_MASK_31 defines the mask
value for extended registers. Current definition of these mask values
uses hex constant and does not use registers by name, making it less
readable. Patch refactor the macro values by or'ing together the actual
register value
On 2021-09-30 12:25:35 Thu, Cédric Le Goater wrote:
> The IPR drivers tests for MSI support at probe time with MSI vector 0
> and when done, frees the IRQ with free_irq(). This test was introduced
> by 95fecd90397e ("ipr: add test for MSI interrupt support") as an
> improvement of commit
xenboot_write_console() is dealing with these quite fine so I don't see
why xenboot_console_setup() would return -ENOENT in this case.
Adjust documentation accordingly.
Signed-off-by: Jan Beulich
Reviewed-by: Juergen Gross
--- a/Documentation/admin-guide/kernel-parameters.txt
+++
On Thu, Sep 30, 2021 at 08:46:04AM +1000, Michael Ellerman wrote:
> Ard Biesheuvel writes:
> > On Tue, 28 Sept 2021 at 02:16, Michael Ellerman wrote:
> >>
> >> Michael Ellerman writes:
> >> > Ard Biesheuvel writes:
> >> >> On Tue, 14 Sept 2021 at 14:11, Ard Biesheuvel wrote:
> >> >>>
> >> >>>
https://bugzilla.kernel.org/show_bug.cgi?id=206669
--- Comment #17 from John Paul Adrian Glaubitz (glaub...@physik.fu-berlin.de)
---
POWER server crashes with 100% reproducibility when building GCC in a powerpc
chroot and GCC in a ppc64 chroot on the ppc64 KVM instance at the same time.
And I
The xen_hvm_early_write() path better wouldn't be taken in this case;
while port 0xE9 can be used, the hypercall path is quite a bit more
efficient. Put that first, as it may also work for DomU-s (see also
xen_raw_console_write()).
While there also bail from the function when the first
From: Mike Rapoport
Since memblock_free() operates on a physical range, make its name reflect
it and rename it to memblock_phys_free(), so it will be a logical
counterpart to memblock_phys_alloc().
The callers are updated with the below semantic patch:
@@
expression addr;
expression size;
@@
-
From: Mike Rapoport
Rename memblock_free_ptr() to memblock_free() and use memblock_free()
when freeing a virtual pointer so that memblock_free() will be a
counterpart of memblock_alloc()
The callers are updated with the below semantic patch and manual addition
of (void *) casting to pointers
From: Mike Rapoport
free_p2m_page() wrongly passes a virtual pointer to memblock_free() that
treats it as a physical address.
Call memblock_free_ptr() instead that gets a virtual address to free the
memory.
Signed-off-by: Mike Rapoport
Reviewed-by: Juergen Gross
---
arch/x86/xen/p2m.c | 2
On Thu, Sep 30, 2021 at 9:09 AM Kefeng Wang wrote:
>
> Directly use is_kernel() helper in kernel_or_module_addr().
>
> Cc: Andrey Ryabinin
> Cc: Alexander Potapenko
> Cc: Andrey Konovalov
> Cc: Dmitry Vyukov
> Signed-off-by: Kefeng Wang
Reviewed-by: Alexander Potapenko
> ---
>
From: Mike Rapoport
memblock_free_early_nid() is unused and memblock_free_early() is an alias
for memblock_free().
Replace calls to memblock_free_early() with calls to memblock_free() and
remove memblock_free_early() and memblock_free_early_nid().
Signed-off-by: Mike Rapoport
---
From: Mike Rapoport
memblock_free_late() is a NOP wrapper for __memblock_free_late(), there is
no point to keep this indirection.
Drop the wrapper and rename __memblock_free_late() to memblock_free_late().
Signed-off-by: Mike Rapoport
---
include/linux/memblock.h | 7 +--
mm/memblock.c
On 9/29/21 1:18 PM, Hari Bathini wrote:
Patch #1 & #2 are simple cleanup patches. Patch #3 refactors JIT
compiler code with the aim to simplify adding BPF_PROBE_MEM support.
Patch #4 introduces PPC_RAW_BRANCH() macro instead of open coding
branch instruction. Patch #5 & #7 add BPF_PROBE_MEM
On Thu, Sep 30, 2021 at 11:50 AM Mike Rapoport wrote:
>
> The first patch is a cleanup of numa_distance allocation in arch_numa I've
> spotted during the conversion.
> The second patch is a fix for Xen memory freeing on some of the error
> paths.
Well, at least patch 2 looks like something that
From: Mike Rapoport
Memory allocation of numa_distance uses memblock_phys_alloc_range() without
actual range limits, converts the returned physical address to virtual and
then only uses the virtual address for further initialization.
Simplify this by replacing memblock_phys_alloc_range() with
From: Mike Rapoport
Hi,
Following the discussion on [1] this is the fix for memblock freeing APIs
mismatch.
The first patch is a cleanup of numa_distance allocation in arch_numa I've
spotted during the conversion.
The second patch is a fix for Xen memory freeing on some of the error
paths.
I
On Thu, Sep 30, 2021 at 02:20:33PM -0700, Linus Torvalds wrote:
> On Thu, Sep 30, 2021 at 11:50 AM Mike Rapoport wrote:
> >
> > The first patch is a cleanup of numa_distance allocation in arch_numa I've
> > spotted during the conversion.
> > The second patch is a fix for Xen memory freeing on
Convert the txt binding to yaml format and add description. Drop the
"simple-bus" compatible string from the example and not allowed by the
binding any more. This will help to enforce the correct probe order
between parent device and child devices, but will require the ifc driver
to probe the
The binding of ifc device has been updated. Update dts to match
accordingly.
Signed-off-by: Li Yang
---
arch/arm/boot/dts/ls1021a.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
index
Hi Daniel,
> Hi Kai,
>
> Thank you for your contribution to the powerpc kernel!
>
> > Get rid of warning:
> > arch/powerpc/kernel/eeh.c:774: warning: expecting prototype for
> > eeh_set_pe_freset(). Prototype was for eeh_set_dev_freset() instead
>
> You haven't said where this warning is from. I
Convert the ifc binding to yaml schema, in the mean while remove the
"simple-bus" compatible from the binding to make sure ifc device probes
before any of the child devices. Update the driver and existing DTSes
accordingly.
DTS changes should be merged together with the driver/binding changes
if
The binding of ifc device has been updated. Update dts to match
accordingly.
Signed-off-by: Li Yang
---
arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 2 +-
arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 2 +-
arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 2 +-
The binding of ifc device has been updated. Update dts to match
accordingly.
Signed-off-by: Li Yang
---
arch/powerpc/boot/dts/fsl/b4si-post.dtsi | 2 +-
arch/powerpc/boot/dts/fsl/bsc9131si-post.dtsi | 2 +-
arch/powerpc/boot/dts/fsl/bsc9132si-post.dtsi | 2 +-
After we update the binding to not use simple-bus compatible for the
controller, we need the driver to populate the child devices explicitly.
Signed-off-by: Li Yang
---
drivers/memory/fsl_ifc.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/drivers/memory/fsl_ifc.c
Typo: Damian
Correct: Damien
On 01 October 2021 at 06:47 am, Christian Zigotzky wrote:
On 27 September 2021 at 07:39 am, Sven Peter wrote:
> Hi Christian,
>
> Thanks already for volunteering to test this!
>
Hello Sven,
Damian (Hypex) has successfully tested the RC3 of kernel 5.15 with
your
On 27 September 2021 at 07:39 am, Sven Peter wrote:
> Hi Christian,
>
> Thanks already for volunteering to test this!
>
Hello Sven,
Damian (Hypex) has successfully tested the RC3 of kernel 5.15 with your
modified i2c driver on his Nemo board yesterday. [1]
@Darren
Could you also please check
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