Le 26/04/2021 à 20:50, Nathan Chancellor a écrit :
On Sat, Mar 20, 2021 at 11:22:27PM +1100, Michael Ellerman wrote:
From: Christophe Leroy
call_do_irq() and call_do_softirq() are simple enough to be
worth inlining.
Inlining them avoids an mflr/mtlr pair plus a save/reload on stack. It
als
Le 26/04/2021 à 22:35, Nathan Chancellor a écrit :
Commit 9975f852ce1b ("powerpc/uaccess: Remove calls to __get_user_bad()
and __put_user_bad()") switch to BUILD_BUG() in the default case, which
leaves x uninitialized. This will not be an issue because the build will
be broken in that case but
kexec_file_load uses initial_boot_params in setting up the device-tree
for the kernel to be loaded. Though initial_boot_params holds info
about CPUs at the time of boot, it doesn't account for hot added CPUs.
So, kexec'ing with kexec_file_load syscall would leave the kexec'ed
kernel with inaccurat
On Mon, 2021-04-26 at 12:54 +0200, Michael Walle wrote:
> Before I'll try to come up with a patch for this, I'd like to get
> your opinion on it.
>
> (1) replacing of_get_mac_address(node) with eth_get_mac_address(dev)
> might sometimes lead to confusing comments like in
> drivers/net/et
On Tue, Apr 06, 2021 at 10:35:50AM +0100, Marc Zyngier wrote:
> irq_create_strict_mappings() is a poor way to allow the use of
> a linear IRQ domain as a legacy one. Let's be upfront about
> it and use a legacy domain when appropriate.
>
> Signed-off-by: Marc Zyngier
> ---
When running the "main
Hi,
Thank you for the patch!
On 24/04/2021 13:48, Masahiro Yamada wrote:
> LANG gives a weak default to each LC_* in case it is not explicitly
> defined. LC_ALL, if set, overrides all other LC_* variables.
>
> LANG < LC_CTYPE, LC_COLLATE, LC_MONETARY, LC_NUMERIC, ... < LC_ALL
>
> This is
On Wed, 21 Apr 2021 09:36:10 -0700, Lakshmi Ramasubramanian wrote:
> Uninitialized local variable "elf_info" would be passed to
> kexec_free_elf_info() if kexec_build_elf_info() returns an error
> in elf64_load().
>
> If kexec_build_elf_info() returns an error, return the error
> immediately.
>
>
On Wed, 21 Apr 2021 09:36:09 -0700, Lakshmi Ramasubramanian wrote:
> There are a few "goto out;" statements before the local variable "fdt"
> is initialized through the call to of_kexec_alloc_and_setup_fdt() in
> elf64_load(). This will result in an uninitialized "fdt" being passed
> to kvfree() i
Commit 9975f852ce1b ("powerpc/uaccess: Remove calls to __get_user_bad()
and __put_user_bad()") switch to BUILD_BUG() in the default case, which
leaves x uninitialized. This will not be an issue because the build will
be broken in that case but clang does static analysis before it realizes
the defau
On Sat, Mar 20, 2021 at 11:22:27PM +1100, Michael Ellerman wrote:
> From: Christophe Leroy
>
> call_do_irq() and call_do_softirq() are simple enough to be
> worth inlining.
>
> Inlining them avoids an mflr/mtlr pair plus a save/reload on stack. It
> also allows GCC to keep the saved ksp_limit in
On Fri, Apr 23, 2021 at 9:35 PM Robin Murphy wrote:
>
> On 2021-04-22 09:15, Claire Chang wrote:
> > If a device is not behind an IOMMU, we look up the device node and set
> > up the restricted DMA when the restricted-dma-pool is presented.
> >
> > Signed-off-by: Claire Chang
> > ---
> > driver
On Fri, Apr 23, 2021 at 7:34 PM Steven Price wrote:
>
> On 22/04/2021 09:14, Claire Chang wrote:
> > Add the initialization function to create restricted DMA pools from
> > matching reserved-memory nodes.
> >
> > Signed-off-by: Claire Chang
> > ---
> > include/linux/device.h | 4 +++
> > inc
On Fri, Apr 23, 2021 at 9:31 PM Robin Murphy wrote:
>
> On 2021-04-22 09:15, Claire Chang wrote:
> > Update is_swiotlb_active to add a struct device argument. This will be
> > useful later to allow for restricted DMA pool.
> >
> > Signed-off-by: Claire Chang
> > ---
> > drivers/gpu/drm/i915/gem
On Sat, Apr 24, 2021 at 08:48:41PM +0900, Masahiro Yamada wrote:
LANG gives a weak default to each LC_* in case it is not explicitly
defined. LC_ALL, if set, overrides all other LC_* variables.
LANG < LC_CTYPE, LC_COLLATE, LC_MONETARY, LC_NUMERIC, ... < LC_ALL
This is why documentation suc
On 4/26/21 1:43 AM, Stephen Rothwell wrote:
> Hi all,
>
> On Mon, 26 Apr 2021 16:36:06 +1000 Stephen Rothwell
> wrote:
>>
>> Today's linux-next build (ipowerpc_pseries_le_defconfig)
>> failed its qemu boot tests like this:
>>
>> [1.833361][T1] ibmvscsi 7103: SRP_VERSION: 16.a
>> [
Am 2021-04-16 17:19, schrieb Rob Herring:
On Fri, Apr 16, 2021 at 2:30 AM Michael Walle wrote:
Am 2021-04-16 05:24, schrieb Benjamin Herrenschmidt:
> On Mon, 2021-04-12 at 19:47 +0200, Michael Walle wrote:
>>
>> /**
>> * of_get_phy_mode - Get phy mode for given device_node
>> @@ -59,15 +60,
I'm looking at KVM HV P9 path guest exit/entry performance with the Cify
patches, plus some further work to see what we can do.
Measurement is done in the guest making a "NULL hcall" and return back
to a non-nested guest. Two cases considered: First, returning to guest
at the "try_real_mode" hca
Hi all,
On Mon, 26 Apr 2021 16:36:06 +1000 Stephen Rothwell
wrote:
>
> Today's linux-next build (ipowerpc_pseries_le_defconfig)
> failed its qemu boot tests like this:
>
> [1.833361][T1] ibmvscsi 7103: SRP_VERSION: 16.a
> [1.834439][T1] ibmvscsi 7103: Maximum ID: 64 Maxi
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