Hi Saravana,
On Mon, Jan 25, 2021 at 11:42 PM Saravana Kannan wrote:
> On Mon, Jan 25, 2021 at 11:49 AM Michael Walle wrote:
> > Am 2021-01-21 12:01, schrieb Geert Uytterhoeven:
> > > On Thu, Jan 21, 2021 at 1:05 AM Saravana Kannan
> > > wrote:
> > >> On Wed, Jan 20, 2021 at 3:53 PM Michael Wal
Excerpts from Ding Tianhong's message of January 26, 2021 4:59 pm:
> On 2021/1/26 12:45, Nicholas Piggin wrote:
>> Support huge page vmalloc mappings. Config option HAVE_ARCH_HUGE_VMALLOC
>> enables support on architectures that define HAVE_ARCH_HUGE_VMAP and
>> supports PMD sized vmap mappings.
>>
Excerpts from David Laight's message of January 25, 2021 10:24 pm:
> From: Christophe Leroy
>> Sent: 25 January 2021 09:15
>>
>> Le 24/01/2021 à 09:22, Nicholas Piggin a écrit :
>> > Support huge page vmalloc mappings. Config option HAVE_ARCH_HUGE_VMALLOC
>> > enables support on architectures that
Hi:
On 2021/1/26 12:44, Nicholas Piggin wrote:
> vmalloc_to_page returns NULL for addresses mapped by larger pages[*].
> Whether or not a vmap is huge depends on the architecture details,
> alignments, boot options, etc., which the caller can not be expected
> to know. Therefore HUGE_VMAP is a regr
Hi:
On 2021/1/26 12:44, Nicholas Piggin wrote:
> apply_to_pte_range might mistake a large pte for bad, or treat it as a
> page table, resulting in a crash or corruption. Add a test to warn and
> return error if large entries are found.
>
> Reviewed-by: Christoph Hellwig
> Signed-off-by: Nicholas
On Wed, Jan 20, 2021 at 11:52:46AM +0100, Michael Walle wrote:
> fw_devlink will defer the probe until all suppliers are ready. We can't
> use builtin_platform_driver_probe() because it doesn't retry after probe
> deferral. Convert it to builtin_platform_driver().
>
> Fixes: e590474768f1 ("driver
Excerpts from Christophe Leroy's message of January 26, 2021 12:48 am:
> When r3 is not modified, reload it from regs->orig_r3 to free
> volatile registers. This avoids a stack frame for the likely part
> of system_call_exception()
>
> Before the patch:
>
> c000b4d4 :
> c000b4d4: 7c 08 02 a6
Excerpts from Christophe Leroy's message of January 26, 2021 12:48 am:
> Only PPC64 has scv. No need to check the 0x7ff0 trap on PPC32.
>
> And ignore the scv parameter in syscall_exit_prepare (Save 14 cycles
> 346 => 332 cycles)
>
> Signed-off-by: Christophe Leroy
> ---
> arch/powerpc/kernel/e
Excerpts from Christophe Leroy's message of January 26, 2021 12:48 am:
> Save r3 in regs->orig_r3 in system_call_exception()
>
> Signed-off-by: Christophe Leroy
> ---
> arch/powerpc/kernel/entry_64.S | 1 -
> arch/powerpc/kernel/syscall.c | 2 ++
> 2 files changed, 2 insertions(+), 1 deletion(-
Excerpts from Christophe Leroy's message of January 26, 2021 12:48 am:
> syscall_64.c will be reused almost as is for PPC32.
>
> Rename it syscall.c
Could you rename it to interrupt.c instead? A system call is an
interrupt, and the file now also has code to return from other
interrupts as well,
From: Nicholas Piggin
> Sent: 26 January 2021 10:21
>
> Excerpts from Christophe Leroy's message of January 26, 2021 12:48 am:
> > syscall_64.c will be reused almost as is for PPC32.
> >
> > Rename it syscall.c
>
> Could you rename it to interrupt.c instead? A system call is an
> interrupt, and t
Am 2021-01-26 11:02, schrieb Lorenzo Pieralisi:
On Wed, Jan 20, 2021 at 11:52:46AM +0100, Michael Walle wrote:
fw_devlink will defer the probe until all suppliers are ready. We
can't
use builtin_platform_driver_probe() because it doesn't retry after
probe
deferral. Convert it to builtin_platfo
On Wed, 20 Jan 2021 11:52:46 +0100, Michael Walle wrote:
> fw_devlink will defer the probe until all suppliers are ready. We can't
> use builtin_platform_driver_probe() because it doesn't retry after probe
> deferral. Convert it to builtin_platform_driver().
Applied to pci/dwc, thanks!
[1/1] PCI:
Hi Michael,
On Tue, Jan 26, 2021 at 11:46 AM Michael Walle wrote:
> Am 2021-01-26 11:02, schrieb Lorenzo Pieralisi:
> > On Wed, Jan 20, 2021 at 11:52:46AM +0100, Michael Walle wrote:
> >> fw_devlink will defer the probe until all suppliers are ready. We
> >> can't
> >> use builtin_platform_driver
On 1/26/21 5:54 AM, Nicholas Piggin wrote:
> iounmap will remove ptes.
>
> Cc: "Cédric Le Goater"
> Cc: linuxppc-dev@lists.ozlabs.org
> Signed-off-by: Nicholas Piggin
Looks good.
Acked-by: Cédric Le Goater
Thanks,
C.
> ---
> arch/powerpc/sysdev/xive/common.c | 4
> 1 file changed,
On 2021/1/26 17:47, Nicholas Piggin wrote:
> Excerpts from Ding Tianhong's message of January 26, 2021 4:59 pm:
>> On 2021/1/26 12:45, Nicholas Piggin wrote:
>>> Support huge page vmalloc mappings. Config option HAVE_ARCH_HUGE_VMALLOC
>>> enables support on architectures that define HAVE_ARCH_HUGE_
submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Nicholas-Piggin/huge-vmalloc-mappings/20210126-143141
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
conf
+++ Christoph Hellwig [21/01/21 08:49 +0100]:
To uncouple the livepatch code from module loader internals move a
slightly refactored version of klp_find_object_module to module.c
This allows to mark find_module static and removes one of the last
users of module_mutex outside of module.c.
Signed-
submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Nicholas-Piggin/huge-vmalloc-mappings/20210126-143141
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
conf
On 20-Jan-2021, at 8:39 AM, Nicholas Piggin wrote:Excerpts from Athira Rajeev's message of January 19, 2021 8:24 pm:On 15-Jan-2021, at 10:19 PM, Nicholas Piggin wrote:This is required in order to allow more significant differences betweenNMI type interrupt handlers and regular asynchronous handle
Le 15/01/2021 à 17:49, Nicholas Piggin a écrit :
Make mm fault handlers all just take the pt_regs * argument and load
DAR/DSISR from that. Make those that return a value return long.
This is done to make the function signatures match other handlers, which
will help with a future patch to add
Hi Saravana,
On Wed, Jan 27, 2021 at 1:44 AM Saravana Kannan wrote:
> On Tue, Jan 26, 2021 at 12:50 AM Geert Uytterhoeven
> wrote:
> > On Mon, Jan 25, 2021 at 11:42 PM Saravana Kannan
> > wrote:
> > > On Mon, Jan 25, 2021 at 11:49 AM Michael Walle wrote:
> > > > Am 2021-01-21 12:01, schrieb G
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