Commit b1442c55ce8977aa ("serial: 8250: extend compile-test coverage")
added compile-test support to the Freescale 16550 driver. However, as
SERIAL_8250_FSL is an invisible symbol, merely enabling compile-testing
now enables this driver.
Fix this by dropping the COMPILE_TEST default again, but ma
The Freescale 16550-style UART is only present on some Freescale SoCs.
Hence tighten the dependencies to prevent asking the user about this
driver, and possibly defaulting it to be enabled, when configuring a
kernel without appropriate Freescale SoC or ACPI support.
Signed-off-by: Geert Uytterhoev
On Thu, Sep 23, 2021 at 08:21:03PM +0200, Borislav Petkov wrote:
> On Thu, Sep 23, 2021 at 12:05:58AM +0300, Kirill A. Shutemov wrote:
> > Unless we find other way to guarantee RIP-relative access, we must use
> > fixup_pointer() to access any global variables.
>
> Yah, I've asked compiler folks a
On Fri, Sep 24, 2021 at 12:41:32PM +0300, Kirill A. Shutemov wrote:
> On Thu, Sep 23, 2021 at 08:21:03PM +0200, Borislav Petkov wrote:
> > On Thu, Sep 23, 2021 at 12:05:58AM +0300, Kirill A. Shutemov wrote:
> > > Unless we find other way to guarantee RIP-relative access, we must use
> > > fixup_poi
g5_phy_disable_cpu1() is used outside of platforms/powermac/feature.c,
so it should have a declaration to fix W=1 warning:
arch/powerpc/platforms/powermac/feature.c:1533:6:
error: no previous prototype for ‘g5_phy_disable_cpu1’
[-Werror=missing-prototypes]
Signed-off-by: Krzysztof Kozlowsk
The of_irq_parse_oldworld() does not modify passed device_node so make
it a pointer to const for safety. Drop the extern while modifying the
line.
Signed-off-by: Krzysztof Kozlowski
---
Changes since v1:
1. Drop extern.
---
arch/powerpc/platforms/powermac/pic.c | 2 +-
include/linux/of_irq.h
On Thu, Sep 23, 2021 at 09:33:47AM +0200, Pavel Machek wrote:
Hi!
Something went wrong with this series. I only see first 7 patches. I
thought it might be local problem, but I only see 7 patches on lore...
Huh, yes, apparently git-send-email timed out. I'll resend. Thanks!
--
Thanks,
Sasha
Today, patch_instruction() assumes that is called exclusively on valid
addresses, and only checks that it is not called on an init address
after init section has been freed.
Improve verification by calling kernel_text_address() instead.
kernel_text_address() already includes a verification of
ini
init_mem_is_free is not used anymore. Remove it.
Cc: Michael Neuling
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/sections.h | 2 --
arch/powerpc/include/asm/setup.h| 1 -
arch/powerpc/mm/mem.c | 2 --
3 files changed, 5 deletions(-)
diff --git a/arch/powerpc/
Generic parts of the kernel for instance core_kernel_text()
use 'system_state' to check whether init memory has been
freed.
Do the same and stop using init_mem_is_free.
Cc: Michael Neuling
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/sections.h | 2 +-
1 file changed, 1 inserti
On 9/24/21 4:51 AM, Borislav Petkov wrote:
On Fri, Sep 24, 2021 at 12:41:32PM +0300, Kirill A. Shutemov wrote:
On Thu, Sep 23, 2021 at 08:21:03PM +0200, Borislav Petkov wrote:
On Thu, Sep 23, 2021 at 12:05:58AM +0300, Kirill A. Shutemov wrote:
Unless we find other way to guarantee RIP-relative
Generic version of arch_is_kernel_initmem_freed() now does the same
as s390 version.
Remove the s390 version.
Cc: Gerald Schaefer
Signed-off-by: Christophe Leroy
---
arch/s390/include/asm/sections.h | 12
arch/s390/mm/init.c | 3 ---
2 files changed, 15 deletions(-)
Generic version of arch_is_kernel_initmem_freed() now does the same
as powerpc version.
Remove the powerpc version.
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/sections.h | 13 -
1 file changed, 13 deletions(-)
diff --git a/arch/powerpc/include/asm/sections.h
b/ar
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 'false'
On Fri, Sep 24, 2021 at 09:12:30AM +0200, Geert Uytterhoeven wrote:
> Commit b1442c55ce8977aa ("serial: 8250: extend compile-test coverage")
> added compile-test support to the Freescale 16550 driver. However, as
> SERIAL_8250_FSL is an invisible symbol, merely enabling compile-testing
> now enabl
CONFIG_STRICT_KERNEL_RWX should be set by default on every
architectures (See https://github.com/KSPP/linux/issues/4)
On PPC32 we have to find a compromise between performance and/or
memory wasting and selection of strict_kernel_rwx, because it implies
either smaller memory chunks or larger alignm
Hi Cascardo,
Thanks for reporting this.
Thadeu Lima de Souza Cascardo wrote:
Hi, there.
We have been investigating an issue we have observed on POWER8 POWERNV systems.
When running the kernel selftests reuseport_bpf_cpu after a CPU hotplug, we see
crashes, in different forms. [1]
Just to re-
https://bugzilla.kernel.org/show_bug.cgi?id=213837
--- Comment #10 from Erhard F. (erhar...@mailbox.org) ---
Created attachment 298959
--> https://bugzilla.kernel.org/attachment.cgi?id=298959&action=edit
kernel .config (5.15-rc2 + CONFIG_THREAD_SHIFT=15, PowerMac G5 11,2)
(In reply to mpe from
https://bugzilla.kernel.org/show_bug.cgi?id=213837
--- Comment #11 from Erhard F. (erhar...@mailbox.org) ---
Created attachment 298961
--> https://bugzilla.kernel.org/attachment.cgi?id=298961&action=edit
System.map (5.15-rc2 + patch + CONFIG_THREAD_SHIFT=15, PowerMac G5 11,2)
--
You may reply
https://bugzilla.kernel.org/show_bug.cgi?id=213837
--- Comment #12 from Erhard F. (erhar...@mailbox.org) ---
Created attachment 298963
--> https://bugzilla.kernel.org/attachment.cgi?id=298963&action=edit
dmesg (5.15-rc2 + patch, PowerMac G5 11,2) #1
Last stack trace with CONFIG_THREAD_SHIFT=14
Michael Ellerman writes:
> Srikar Dronamraju writes:
>> * Michael Ellerman [2021-09-23 17:29:32]:
>>
>>> Nathan Lynch writes:
>>> > Srikar Dronamraju writes:
>>> >
>>> >> * Nathan Lynch [2021-09-22 11:01:12]:
>>> >>
>>> >>> Srikar Dronamraju writes:
> ...
>>> >> Or can I understand how debug
On 2021/9/24 14:41, Christophe Leroy wrote:
>
>
> Le 24/09/2021 à 08:39, Liu Shixin a écrit :
>> On platform PPC_FSL_BOOK3E, all lowmem is managed by tlbcam. That means
>> we didn't really map the kfence pool with page granularity. Therefore,
>> if KFENCE is enabled, the system will hit the foll
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