On 2023/7/13 0:15, Eric DeVolder wrote:
> The kexec and crash kernel options are provided in the common
> kernel/Kconfig.kexec. Utilize the common options and provide
> the ARCH_SUPPORTS_ and ARCH_SELECTS_ entries to recreate the
> equivalent set of KEXEC and CRASH options.
>
> Signed-off-by: E
On 2023/6/13 1:27, Eric DeVolder wrote:
> The config options for kexec and crash features are consolidated
> into new file kernel/Kconfig.kexec. Under the "General Setup" submenu
> is a new submenu "Kexec and crash handling" where all the kexec and
> crash options that were once in the arch-depe
On 2023/6/13 1:27, Eric DeVolder wrote:
> The kexec and crash kernel options are provided in the common
> kernel/Kconfig.kexec. Utilize the common options and provide
> the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the
> equivalent set of KEXEC and CRASH options.
>
> Signed-off-by: Eric
On 2021/5/24 4:15, Geoff Levand wrote:
> Hi,
>
> On 5/20/21 5:20 AM, Michael Ellerman wrote:
>> Zhen Lei writes:
>>> When call ps3_start_probe_thread() failed, further initialization should
>>> be stopped and the returned error code should be propagated.
> ...
>>> --- a/arch/powerpc/platforms/
On 2019/5/31 18:42, John Garry wrote:
>
-config IOMMU_DEFAULT_PASSTHROUGH
- bool "IOMMU passthrough by default"
+choice
+ prompt "IOMMU default DMA mode"
depends on IOMMU_API
- help
- Enable passthrough by default, removing the need to p
On 2019/6/12 13:16, Borislav Petkov wrote:
> On Thu, May 30, 2019 at 11:48:26AM +0800, Zhen Lei wrote:
>> This patch removes the ifdefs around CONFIG_IOMMU_DEFAULT_PASSTHROUGH to
>> improve readablity.
>
> Avoid having "This patch" or "This commit" in the commit message. It is
> tautologically
On 2019/5/30 20:20, John Garry wrote:
> On 30/05/2019 04:48, Zhen Lei wrote:
>> First, add build option IOMMU_DEFAULT_{LAZY|STRICT}, so that we have the
>> opportunity to set {lazy|strict} mode as default at build time. Then put
>> the three config options in an choice, make people can only choo
On 2019/5/27 22:21, Joerg Roedel wrote:
> Hi Zhen Lei,
>
> On Mon, May 20, 2019 at 09:59:47PM +0800, Zhen Lei wrote:
>> arch/ia64/kernel/pci-dma.c| 2 +-
>> arch/powerpc/platforms/powernv/pci-ioda.c | 3 ++-
>> arch/s390/pci/pci_dma.c | 2 +-
>> arch/x86/ke
On 2019/5/8 17:42, John Garry wrote:
> On 18/04/2019 14:57, Zhen Lei wrote:
>> First, add build option IOMMU_DEFAULT_{LAZY|STRICT}, so that we have the
>> opportunity to set {lazy|strict} mode as default at build time. Then put
>> the three config options in an choice, make people can only choos
Hi all,
Can anybody review or comment?
On 2019/4/18 21:57, Zhen Lei wrote:
> v5 --> v6:
> 1. give up adding boot option iommu.dma_mode
>
> v4 --> v5:
> As Hanjun and Thomas Gleixner's suggestion:
> 1. Keep the old ARCH specific boot options no change.
> 2. Keep build option CONFIG_IOMMU_DEFAUL
On 2019/4/12 19:16, Joerg Roedel wrote:
> On Tue, Apr 09, 2019 at 08:53:03PM +0800, Zhen Lei wrote:
>> +static int __init iommu_dma_mode_setup(char *str)
>> +{
>> +if (!str)
>> +goto fail;
>> +
>> +if (!strncmp(str, "passthrough", 11))
>> +iommu_default_dma_mode =
On 2019/4/16 23:21, Will Deacon wrote:
> On Fri, Apr 12, 2019 at 02:11:31PM +0100, Robin Murphy wrote:
>> On 12/04/2019 11:26, John Garry wrote:
>>> On 09/04/2019 13:53, Zhen Lei wrote:
+static int __init iommu_dma_mode_setup(char *str)
+{
+if (!str)
+goto fail;
>
On 2019/4/8 14:32, Thomas Gleixner wrote:
> On Mon, 8 Apr 2019, Leizhen (ThunderTown) wrote:
>>>
>>> This will break systems using boot options as now, and I think
>>> this is unacceptable. If you want to do so, just introduce iommu.dma_mode
>>> on top of
On 2019/4/8 9:14, Hanjun Guo wrote:
> Hi Zhen,
>
> On 2019/4/7 20:41, Zhen Lei wrote:
>> As Robin Murphy's suggestion:
>> "It's also not necessarily obvious to the user how this interacts with
>> IOMMU_DEFAULT_PASSTHROUGH, so if we really do go down this route, maybe it
>> would be better to re
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