On 18/08/2020 09:40, Leonardo Bras wrote:
> As of today, if the biggest DDW that can be created can't map the whole
> partition, it's creation is skipped and the default DMA window
> "ibm,dma-window" is used instead.
>
> DDW is 16x bigger than the default DMA window,
16x only under very
Hello Giuseppe,
Le 22/08/2020 à 10:28, Giuseppe Sacco a écrit :
Hello Christophe,
Il giorno ven, 21/08/2020 alle 16.03 +0200, Christophe Leroy ha
scritto:
[...]
You also said in a previous mail that your original issue also
happens
when CONFIG_VMAP_STACK is not selected. The above bug being
Hi,
Le 23/08/2020 à 19:26, Giuseppe Sacco a écrit :
Hello,
I am not a kernel developer and I need much help in order to understand
a kernel Oops (the first of a series of three Oops). It is:
This is a bug in the kernel. It is fixed in 5.9-rc2.
See the following commit:
On 18/08/2020 09:40, Leonardo Bras wrote:
> Code used to create a ddw property that was previously scattered in
> enable_ddw() is now gathered in ddw_property_create(), which deals with
> allocation and filling the property, letting it ready for
> of_property_add(), which now occurs in
On 18/08/2020 09:40, Leonardo Bras wrote:
> There are two functions adding DDW to the direct_window_list in a
> similar way, so create a ddw_list_add() to avoid duplicity and
> simplify those functions.
>
> Also, on enable_ddw(), add list_del() on out_free_window to allow
> removing the window
On 18/08/2020 09:40, Leonardo Bras wrote:
> enable_ddw() currently returns the address of the DMA window, which is
> considered invalid if has the value 0x00.
>
> Also, it only considers valid an address returned from find_existing_ddw
> if it's not 0x00.
>
> Changing this behavior makes
Alexey Kardashevskiy writes:
> On 21/08/2020 20:34, Michael Ellerman wrote:
>> It's possible to enable CONFIG_PPC_EARLY_DEBUG_BOOTX for a pseries
>> kernel (maybe it shouldn't be), which is then booted with qemu/slof.
>
>
> CONFIG_BOOTX_TEXT=y
> CONFIG_PPC_EARLY_DEBUG=y
>
allyesconfig
powerpc allmodconfig
powerpc allnoconfig
x86_64 randconfig-a002-20200823
x86_64 randconfig-a003-20200823
x86_64 randconfig-a005-20200823
x86_64 randconfig-a001-20200823
x86_64
allnoconfig
x86_64 randconfig-a002-20200823
x86_64 randconfig-a003-20200823
x86_64 randconfig-a005-20200823
x86_64 randconfig-a001-20200823
x86_64 randconfig-a006-20200823
x86_64 randconfig-a004
On 18/08/2020 09:40, Leonardo Bras wrote:
> Creates a helper to allow allocating a new iommu_table without the need
> to reallocate the iommu_group.
>
> This will be helpful for replacing the iommu_table for the new DMA window,
> after we remove the old one with iommu_tce_table_put().
>
>
From: Randy Dunlap
Fix malformed table warning in powerpc/syscall64-abi.rst by making
two tables and moving the headings.
Documentation/powerpc/syscall64-abi.rst:53: WARNING: Malformed table.
Text in column margin in table line 2.
=== =
The pull request you sent on Sun, 23 Aug 2020 22:50:13 +1000:
> https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
> tags/powerpc-5.9-3
has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/cb95712138ec5e480db5160b41172bbc6f6494cc
Thank you!
--
Hello,
I am not a kernel developer and I need much help in order to understand
a kernel Oops (the first of a series of three Oops). It is:
kernel tried to execute exec-protected page (f102) - exploit attempt? (uid:
0)
BUG: Unable to handle kernel instruction fetch
Faulting instruction
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Hi Linus,
Please pull some more powerpc fixes for 5.9.
There's one non-fix, which is the perf extended regs support. That was posted
way back but I waited for the tools/perf part to land, which it now has.
cheers
The following changes since
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