[PATCH v10a 1/9] powerpc: detect the secure boot mode of the system

From: Nayna Jain This patch defines a function to detect the secure boot state of a PowerNV system. The PPC_SECURE_BOOT config represents the base enablement of secure boot for powerpc. Signed-off-by: Nayna Jain Signed-off-by: Eric Richter --- v10a: - moved get_ppc_fw_sb_node to this patch -

Re: [PATCH V8] mm/debug: Add tests validating architecture page table helpers

On 10/28/2019 10:59 AM, Anshuman Khandual wrote: > This adds tests which will validate architecture page table helpers and > other accessors in their compliance with expected generic MM semantics. > This will help various architectures in validating changes to existing > page table helpers or

Re: [PATCH v6 3/3] PCI: layerscape: Add LS1028a support

On Mon, Sep 02, 2019 at 11:43:19AM +0800, Xiaowei Bao wrote: > Add support for the LS1028a PCIe controller. > > Signed-off-by: Xiaowei Bao > Signed-off-by: Hou Zhiqiang > --- > v2: > - No change. > v3: > - Reuse the ls2088 driver data structurt. > v4: > - No change. > v5: > - No change. >

Re: [PATCH v2 07/10] PCI: layerscape: Modify the MSIX to the doorbell way

On Thu, Aug 29, 2019 at 10:43:18AM +0530, Kishon Vijay Abraham I wrote: > Gustavo, > > On 27/08/19 6:55 PM, Andrew Murray wrote: > > On Sat, Aug 24, 2019 at 12:08:40AM +, Xiaowei Bao wrote: > >> > >> > >>> -Original Message- > >>> From: Andrew Murray > >>> Sent: 2019年8月23日 21:58 >

Re: [PATCH v3 35/36] net/wan: make FSL_UCC_HDLC explicitly depend on PPC32

On 04/11/2019 21.56, Li Yang wrote: >> No, this patch cannot be dropped. Please see the kbuild complaints for >> v2,23/23 about use of IS_ERR_VALUE on not-sizeof(long) entities. I see >> kbuild has complained about the same thing for v3 since apparently the >> same thing appears in ucc_slow.c. So

Re: [PATCH v3 35/36] net/wan: make FSL_UCC_HDLC explicitly depend on PPC32

On Tue, Nov 5, 2019 at 4:47 PM Rasmus Villemoes wrote: > > On 04/11/2019 21.56, Li Yang wrote: > > >> No, this patch cannot be dropped. Please see the kbuild complaints for > >> v2,23/23 about use of IS_ERR_VALUE on not-sizeof(long) entities. I see > >> kbuild has complained about the same thing

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

On Tue, Nov 5, 2019 at 12:31 PM David Hildenbrand wrote: > > >>> I think I know what's going wrong: > >>> > >>> Pages that are pinned via gfn_to_pfn() and friends take a references, > >>> however are often released via > >>>

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

On Tue, Nov 5, 2019 at 4:03 PM Sean Christopherson wrote: > > On Tue, Nov 05, 2019 at 03:43:29PM -0800, Dan Williams wrote: > > On Tue, Nov 5, 2019 at 3:30 PM Dan Williams > > wrote: > > > > > > On Tue, Nov 5, 2019 at 3:13 PM Sean Christopherson > > > wrote: > > > > > > > > On Tue, Nov 05,

[RFC PATCH] powerpc/pseries/mobility: notify network peers after migration

After a migration, it is necessary to send a gratuitous ARP from all running interfaces so that the rest of the network is aware of its new location. However, some supported network devices are unaware that they have been migrated. To avoid network interruptions and other unwanted behavior, force

Re: [RFC v1 0/2] Enable IOMMU support for pseries Secure VMs

On 05/11/2019 08:28, Ram Pai wrote: > This patch series enables IOMMU support for pseries Secure VMs. > > > Tested using QEMU command line option: > > "-device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x4, > iommu_platform=on,disable-modern=off,disable-legacy=on" > and > > "-device

Re: [PATCH V8] mm/debug: Add tests validating architecture page table helpers

On 11/06/2019 01:06 AM, Gerald Schaefer wrote: > On Mon, 28 Oct 2019 10:59:22 +0530 > Anshuman Khandual wrote: > >> This adds tests which will validate architecture page table helpers and >> other accessors in their compliance with expected generic MM semantics. >> This will help various

[PATCH 26/50] powerpc: Add show_stack_loglvl()

Currently, the log-level of show_stack() depends on a platform realization. It creates situations where the headers are printed with lower log level or higher than the stacktrace (depending on a platform or user). Furthermore, it forces the logic decision from user to an architecture side. In

RE: [PATCH v6 3/3] PCI: layerscape: Add LS1028a support

> -Original Message- > From: Lorenzo Pieralisi > Sent: 2019年11月5日 20:33 > To: Xiaowei Bao > Cc: robh...@kernel.org; mark.rutl...@arm.com; shawn...@kernel.org; Leo > Li ; M.h. Lian ; Mingkai Hu > ; Roy Zang ; > linux-...@vger.kernel.org; devicet...@vger.kernel.org; >

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

On Tue, Nov 05, 2019 at 03:02:40PM -0800, Dan Williams wrote: > On Tue, Nov 5, 2019 at 12:31 PM David Hildenbrand wrote: > > > The scarier code (for me) is transparent_hugepage_adjust() and > > > kvm_mmu_zap_collapsible_spte(), as I don't at all understand the > > > interaction between THP and

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

On Tue, Nov 5, 2019 at 3:13 PM Sean Christopherson wrote: > > On Tue, Nov 05, 2019 at 03:02:40PM -0800, Dan Williams wrote: > > On Tue, Nov 5, 2019 at 12:31 PM David Hildenbrand wrote: > > > > The scarier code (for me) is transparent_hugepage_adjust() and > > > > kvm_mmu_zap_collapsible_spte(),

Re: [PATCH V8] mm/debug: Add tests validating architecture page table helpers

On 11/06/2019 04:00 AM, Vineet Gupta wrote: > Hi Anshuman, Hello Vineet, > > On 11/4/19 4:00 PM, Anshuman Khandual wrote: >> On 10/28/2019 10:59 AM, Anshuman Khandual wrote: >>> This adds tests which will validate architecture page table helpers and >>> other accessors in their compliance

Re: [PATCH 07/10] ocxl: Save the device serial number in ocxl_fn

On 25/10/19 3:47 pm, Alastair D'Silva wrote: From: Alastair D'Silva This patch retrieves the serial number of the card and makes it available to consumers of the ocxl driver via the ocxl_fn struct. Signed-off-by: Alastair D'Silva Acked-by: Andrew Donnellan -- Andrew Donnellan

[PATCH 00/50] Add log level to show_stack()

Add log level argument to show_stack(). Done in three stages: 1. Introducing show_stack_loglvl() for every architecture 2. Migrating old users with an explicit log level 3. Renaming show_stack_loglvl() into show_stack() Justification: o It's a design mistake to move a business-logic decision

Re: [RFC PATCH] powerpc/pseries/mobility: notify network peers after migration

On Tue, 2019-11-05 at 18:06 -0600, Thomas Falcon wrote: > After a migration, it is necessary to send a gratuitous ARP > from all running interfaces so that the rest of the network > is aware of its new location. However, some supported network > devices are unaware that they have been migrated. To

Re: [PATCH v10 1/8] mm: ksm: Export ksm_madvise()

On Mon, Nov 04, 2019 at 09:47:53AM +0530, Bharata B Rao wrote: > KVM PPC module needs ksm_madvise() for supporting secure guests. > Guest pages that become secure are represented as device private > pages in the host. Such pages shouldn't participate in KSM merging. If we don't do the ksm_madvise

Re: [PATCH 10/10] ocxl: Conditionally bind SCM devices to the generic OCXL driver

On 25/10/19 3:47 pm, Alastair D'Silva wrote: From: Alastair D'Silva This patch allows the user to bind OpenCAPI SCM devices to the generic OCXL driver. Signed-off-by: Alastair D'Silva Agree that this needs more explanation - both in the commit and the Kconfig help. diff --git

RE: [EXT] Re: [PATCH V2 1/2] ASoC: dt-bindings: fsl_asrc: add compatible string for imx8qm

Hi > > On Wed, Oct 30, 2019 at 07:41:26PM +0800, Shengjiu Wang wrote: > > In order to support the two asrc modules in imx8qm, we need to add > > compatible string "fsl,imx8qm-asrc0" and "fsl,imx8qm-asrc1" > > Are the blocks different in some way? > > If not, why do you need to distinguish them?

Re: [RFC v1 1/2] powerpc/pseries/iommu: Share the per-cpu TCE page with the hypervisor.

On 05/11/2019 08:28, Ram Pai wrote: > The hypervisor needs to access the contents of the page holding the TCE > entries while setting up the TCE entries in the IOMMU's TCE table. For > SecureVMs, since this page is encrypted, the hypervisor cannot access > valid entries. Share the page with the

Re: [PATCH v6 1/4] powerpc/powernv: Add OPAL API interface to access secure variable

On 11/5/2019 12:24 AM, Eric Richter wrote: From: Nayna Jain The X.509 certificates trusted by the platform and required to secure boot the OS kernel are wrapped in secure variables, which are controlled by OPAL. This patch adds firmware/kernel interface to read and write OPAL secure

Re: [PATCH v6 2/4] powerpc: expose secure variables to userspace via sysfs

On 11/5/2019 12:24 AM, Eric Richter wrote: From: Nayna Jain PowerNV secure variables, which store the keys used for OS kernel verification, are managed by the firmware. These secure variables need to be accessed by the userspace for addition/deletion of the certificates. This patch adds the

Re: [PATCH V8] mm/debug: Add tests validating architecture page table helpers

On 10/28/2019 10:59 AM, Anshuman Khandual wrote: > +--- > +| arch |status| > +--- > +| alpha: | TODO | > +| arc: | TODO | > +| arm: | TODO | > +| arm64: | ok | > +| c6x: | TODO

Re: [PATCH v2] cpufreq: powernv: fix stack bloat and NR_CPUS limitation

John Hubbard writes: > On 10/30/19 7:39 PM, Michael Ellerman wrote: >> Hi John, >> >> Sorry I didn't reply to this sooner, too many patches :/ >> >> John Hubbard writes: >>> The following build warning occurred on powerpc 64-bit builds: >>> >>> drivers/cpufreq/powernv-cpufreq.c: In function

Re: [PATCH v10 4/8] KVM: PPC: Radix changes for secure guest

On Mon, Nov 04, 2019 at 09:47:56AM +0530, Bharata B Rao wrote: > - After the guest becomes secure, when we handle a page fault of a page > belonging to SVM in HV, send that page to UV via UV_PAGE_IN. > - Whenever a page is unmapped on the HV side, inform UV via UV_PAGE_INVAL. > - Ensure all

Re: [PATCH v10 3/8] KVM: PPC: Shared pages support for secure guests

On Mon, Nov 04, 2019 at 09:47:55AM +0530, Bharata B Rao wrote: > A secure guest will share some of its pages with hypervisor (Eg. virtio > bounce buffers etc). Support sharing of pages between hypervisor and > ultravisor. > > Shared page is reachable via both HV and UV side page tables. Once a >

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

On Tue, Nov 05, 2019 at 03:30:00PM -0800, Dan Williams wrote: > On Tue, Nov 5, 2019 at 3:13 PM Sean Christopherson > wrote: > > > > On Tue, Nov 05, 2019 at 03:02:40PM -0800, Dan Williams wrote: > > > On Tue, Nov 5, 2019 at 12:31 PM David Hildenbrand > > > wrote: > > > > > The scarier code (for

RE: [PATCH v6 3/3] PCI: layerscape: Add LS1028a support

Hi Lorenzo, Sorry for the late reply. Acked-by: Minghuan Lian Thanks, Minghuan > -Original Message- > From: Xiaowei Bao > Sent: Wednesday, November 6, 2019 11:36 AM > To: Lorenzo Pieralisi > Cc: robh...@kernel.org; mark.rutl...@arm.com; shawn...@kernel.org; > Leo Li ; M.h. Lian ;

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

On Tue, Nov 05, 2019 at 03:43:29PM -0800, Dan Williams wrote: > On Tue, Nov 5, 2019 at 3:30 PM Dan Williams wrote: > > > > On Tue, Nov 5, 2019 at 3:13 PM Sean Christopherson > > wrote: > > > > > > On Tue, Nov 05, 2019 at 03:02:40PM -0800, Dan Williams wrote: > > > > On Tue, Nov 5, 2019 at 12:31

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

On Tue, Nov 5, 2019 at 3:30 PM Dan Williams wrote: > > On Tue, Nov 5, 2019 at 3:13 PM Sean Christopherson > wrote: > > > > On Tue, Nov 05, 2019 at 03:02:40PM -0800, Dan Williams wrote: > > > On Tue, Nov 5, 2019 at 12:31 PM David Hildenbrand > > > wrote: > > > > > The scarier code (for me) is

Re: [PATCH v10 0/8] KVM: PPC: Driver to manage pages of secure guest

On Mon, Nov 04, 2019 at 09:47:52AM +0530, Bharata B Rao wrote: > Hi, > > This is the next version of the patchset that adds required support > in the KVM hypervisor to run secure guests on PEF-enabled POWER platforms. > > The major change in this version is about not using kvm.arch->rmap[] >

Re: [RFC PATCH] powerpc/pseries/mobility: notify network peers after migration

On 11/5/19 10:13 PM, Russell Currey wrote: On Tue, 2019-11-05 at 18:06 -0600, Thomas Falcon wrote: After a migration, it is necessary to send a gratuitous ARP from all running interfaces so that the rest of the network is aware of its new location. However, some supported network devices are

[PATCH] powerpc/64s: Always disable branch profiling for prom_init.o

Otherwise the build fails because prom_init is calling symbols it's not allowed to, eg: Error: External symbol 'ftrace_likely_update' referenced from prom_init.c make[3]: *** [arch/powerpc/kernel/Makefile:197: arch/powerpc/kernel/prom_init_check] Error 1 Signed-off-by: Michael Ellerman ---

Re: [PATCH v2 3/4] Documentation/ABI: mark /sys/kernel/fadump_* sysfs files deprecated

On 11/5/19 10:31 PM, Hari Bathini wrote: > > > On 05/11/19 2:24 PM, Sourabh Jain wrote: >> >> >> On 10/21/19 1:11 PM, Hari Bathini wrote: >>> >>> >>> On 18/10/19 6:35 PM, Sourabh Jain wrote: The /sys/kernel/fadump_* sysfs files are replicated under >>> >>> [...] >>> +Note: The

Re: [PATCH v10 2/8] KVM: PPC: Support for running secure guests

On Mon, Nov 04, 2019 at 09:47:54AM +0530, Bharata B Rao wrote: > A pseries guest can be run as secure guest on Ultravisor-enabled > POWER platforms. On such platforms, this driver will be used to manage > the movement of guest pages between the normal memory managed by > hypervisor (HV) and secure

Re: [PATCH v3 35/36] net/wan: make FSL_UCC_HDLC explicitly depend on PPC32

On 05/11/2019 07.16, Qiang Zhao wrote: > > I tested your v3 patches on ls1043ardb which is arm64 for fsl_ucc_hdlc, it > can work, > Only it will put a compile warning, I also made a patch to fix it. > I can send a patch to remove PPC32 dependency when I send my patch to support > ARM64. > Or I

[PATCH] ASoC: fsl_audmix: Add spin lock to protect tdms

Audmix support two substream, When two substream start to run, the trigger function may be called by two substream in same time, that the priv->tdms may be updated wrongly. The expected priv->tdms is 0x3, but sometimes the result is 0x2, or 0x1. Signed-off-by: Shengjiu Wang ---

Re: [PATCH v10 1/8] mm: ksm: Export ksm_madvise()

On Wed, Nov 06, 2019 at 03:33:29PM +1100, Paul Mackerras wrote: > On Mon, Nov 04, 2019 at 09:47:53AM +0530, Bharata B Rao wrote: > > KVM PPC module needs ksm_madvise() for supporting secure guests. > > Guest pages that become secure are represented as device private > > pages in the host. Such

Re: [PATCH V8] mm/debug: Add tests validating architecture page table helpers

On 11/06/2019 12:11 PM, Christophe Leroy wrote: > > > Le 06/11/2019 à 04:22, Anshuman Khandual a écrit : >> >> >> On 10/28/2019 10:59 AM, Anshuman Khandual wrote: >>> +    --- >>> +    | arch |status| >>> +    --- >>> +    |   alpha: | TODO

Re: [PATCH v10 0/8] KVM: PPC: Driver to manage pages of secure guest

On Wed, Nov 06, 2019 at 03:30:58PM +1100, Paul Mackerras wrote: > On Mon, Nov 04, 2019 at 09:47:52AM +0530, Bharata B Rao wrote: > > > > Now, all the dependencies required by this patchset are in powerpc/next > > on which this patchset is based upon. > > Can you tell me what patches that are in

Re: [PATCH V8] mm/debug: Add tests validating architecture page table helpers

Le 06/11/2019 à 04:22, Anshuman Khandual a écrit : On 10/28/2019 10:59 AM, Anshuman Khandual wrote: +--- +| arch |status| +--- +| alpha: | TODO | +| arc: | TODO | +| arm: | TODO | +|

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

On 06.11.19 01:08, Dan Williams wrote: On Tue, Nov 5, 2019 at 4:03 PM Sean Christopherson wrote: On Tue, Nov 05, 2019 at 03:43:29PM -0800, Dan Williams wrote: On Tue, Nov 5, 2019 at 3:30 PM Dan Williams wrote: On Tue, Nov 5, 2019 at 3:13 PM Sean Christopherson wrote: On Tue, Nov 05,

Re: [PATCH 0/9] Fixes and Enablement of ibm,drc-info property

On 11/5/19 9:24 AM, Tyrel Datwyler wrote: Hi, just pointing out a few typos... There was a previous effort to add support for the PAPR architected ibm,drc-info property. This property provides a more memory compact representation of a paritions Dynamic Reconfig s/paritions/partition's

Re: [PATCH 3/9] powerpc/pseries: Add cpu DLPAR support for drc-info property

On 11/5/19 9:24 AM, Tyrel Datwyler wrote: From: Tyrel Datwyler Older firmwares provided information about Dynamic Reconfig Connectors (DRC) through several device tree properties, namely ibm,drc-types, ibm,drc-indexes, ibm,drc-names, and ibm,drc-power-domains. New firmwares have the ability

Re: [PATCH v2 3/4] Documentation/ABI: mark /sys/kernel/fadump_* sysfs files deprecated

On 05/11/19 2:24 PM, Sourabh Jain wrote: > > > On 10/21/19 1:11 PM, Hari Bathini wrote: >> >> >> On 18/10/19 6:35 PM, Sourabh Jain wrote: >>> The /sys/kernel/fadump_* sysfs files are replicated under >> >> [...] >> >>> +Note: The following FADump sysfs files are deprecated. >>> + >>> +

Re: [PATCH V2 1/2] ASoC: dt-bindings: fsl_asrc: add compatible string for imx8qm

On Wed, Oct 30, 2019 at 07:41:26PM +0800, Shengjiu Wang wrote: > In order to support the two asrc modules in imx8qm, we need to > add compatible string "fsl,imx8qm-asrc0" and "fsl,imx8qm-asrc1" Are the blocks different in some way? If not, why do you need to distinguish them? > Signed-off-by:

Re: [PATCH V8] mm/debug: Add tests validating architecture page table helpers

On 10/28/2019 10:59 AM, Anshuman Khandual wrote: > This adds tests which will validate architecture page table helpers and > other accessors in their compliance with expected generic MM semantics. > This will help various architectures in validating changes to existing > page table helpers or

Re: [PATCH v1 09/10] mm/memory_hotplug: Don't mark pages PG_reserved when initializing the memmap

On 11/5/19 5:18 AM, David Hildenbrand wrote: > On 04.11.19 23:44, Boris Ostrovsky wrote: >> On 10/24/19 8:09 AM, David Hildenbrand wrote: >>> diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c >>> index 4f2e78a5e4db..af69f057913a 100644 >>> --- a/drivers/xen/balloon.c >>> +++

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

I think I know what's going wrong: Pages that are pinned via gfn_to_pfn() and friends take a references, however are often released via kvm_release_pfn_clean()/kvm_release_pfn_dirty()/kvm_release_page_clean()... E.g., in arch/x86/kvm/x86.c:reexecute_instruction() ... pfn =

Re: [PATCH V8] mm/debug: Add tests validating architecture page table helpers

Hi Anshuman, On 11/4/19 4:00 PM, Anshuman Khandual wrote: > On 10/28/2019 10:59 AM, Anshuman Khandual wrote: >> This adds tests which will validate architecture page table helpers and >> other accessors in their compliance with expected generic MM semantics. >> This will help various

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

On Tue, Nov 05, 2019 at 09:30:53PM +0100, David Hildenbrand wrote: > >>>I think I know what's going wrong: > >>> > >>>Pages that are pinned via gfn_to_pfn() and friends take a references, > >>>however are often released via >

Re: [PATCH 09/19] drm/via: set FOLL_PIN via pin_user_pages_fast()

On 11/5/19 1:49 AM, Daniel Vetter wrote: > On Mon, Nov 04, 2019 at 11:20:38AM -0800, John Hubbard wrote: >> On 11/4/19 10:10 AM, Daniel Vetter wrote: >>> On Thu, Oct 31, 2019 at 04:36:28PM -0700, Ira Weiny wrote: On Wed, Oct 30, 2019 at 03:49:20PM -0700, John Hubbard wrote: > Convert

Re: [PATCH V8] mm/debug: Add tests validating architecture page table helpers

On Mon, 28 Oct 2019 10:59:22 +0530 Anshuman Khandual wrote: > This adds tests which will validate architecture page table helpers and > other accessors in their compliance with expected generic MM semantics. > This will help various architectures in validating changes to existing > page table

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

On Tue, Nov 05, 2019 at 11:02:46AM +0100, David Hildenbrand wrote: > On 05.11.19 10:49, David Hildenbrand wrote: > >On 05.11.19 10:17, David Hildenbrand wrote: > >>On 05.11.19 05:38, Dan Williams wrote: > >>>On Thu, Oct 24, 2019 at 5:11 AM David Hildenbrand wrote: > > Right now,

Re: [PATCH v6 1/3] dt-bindings: pci: layerscape-pci: add compatible strings "fsl,ls1028a-pcie"

On Mon, Sep 02, 2019 at 11:43:17AM +0800, Xiaowei Bao wrote: > Add the PCIe compatible string for LS1028A > > Signed-off-by: Xiaowei Bao > Signed-off-by: Hou Zhiqiang > Reviewed-by: Rob Herring > --- Reviewed-by: Andrew Murray > v2: > - No change. > v3: > - No change. > v4: > - No

Re: [PATCH v2 05/18] mm/gup: introduce pin_user_pages*() and FOLL_PIN

On 11/5/19 5:10 AM, Mike Rapoport wrote: ... >> --- >> Documentation/vm/index.rst | 1 + >> Documentation/vm/pin_user_pages.rst | 212 ++ > > I think it belongs to Documentation/core-api. Done: diff --git a/Documentation/core-api/index.rst

[PATCH v10a 3/9] powerpc: detect the trusted boot state of the system

From: Nayna Jain While secure boot permits only properly verified signed kernels to be booted, trusted boot calculates the file hash of the kernel image and stores the measurement prior to boot, that can be subsequently compared against good known values via attestation services. This patch

Re: [PATCH v6 3/3] PCI: layerscape: Add LS1028a support

On Mon, Sep 02, 2019 at 11:43:19AM +0800, Xiaowei Bao wrote: > Add support for the LS1028a PCIe controller. > > Signed-off-by: Xiaowei Bao > Signed-off-by: Hou Zhiqiang > --- > v2: > - No change. > v3: > - Reuse the ls2088 driver data structurt. > v4: > - No change. > v5: > - No change. >

[PATCH v6 4/4] powerpc: load firmware trusted keys/hashes into kernel keyring

From: Nayna Jain The keys used to verify the Host OS kernel are managed by firmware as secure variables. This patch loads the verification keys into the .platform keyring and revocation hashes into .blacklist keyring. This enables verification and loading of the kernels signed by the boot time

[PATCH v15 0/9] open: introduce openat2(2) syscall

This patchset is being developed here: Patch changelog: v15: * Fix code style for LOOKUP_IN_ROOT handling in path_init(). [Linus Torvalds] * Split out patches for each individual LOOKUP flag. * Reword commit messages to give more

[PATCH v15 9/9] Documentation: path-lookup: mention LOOKUP_MAGICLINK_JUMPED

Now that we have a special flag to signify magic-link jumps, mention it within the path-lookup docs. And now that "magic link" is the correct term for nd_jump_link()-style symlinks, clean up references to this type of "symlink". Signed-off-by: Aleksa Sarai ---

[tip: x86/build] powerpc: Rename "notes" PT_NOTE to "note"

The following commit has been merged into the x86/build branch of tip: Commit-ID: ec556271bbb33809b73cdb238f8cb357345908e8 Gitweb: https://git.kernel.org/tip/ec556271bbb33809b73cdb238f8cb357345908e8 Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:23 -07:00 Committer:

[tip: x86/build] vmlinux.lds.h: Provide EMIT_PT_NOTE to indicate export of .notes

The following commit has been merged into the x86/build branch of tip: Commit-ID: 441110a547f86a2fd0c40bf04b274853622c53cc Gitweb: https://git.kernel.org/tip/441110a547f86a2fd0c40bf04b274853622c53cc Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:30 -07:00 Committer:

[tip: x86/build] x86/vmlinux: Actually use _etext for the end of the text segment

The following commit has been merged into the x86/build branch of tip: Commit-ID: b907693883fdcff5b492cf0cd02a0e264623055e Gitweb: https://git.kernel.org/tip/b907693883fdcff5b492cf0cd02a0e264623055e Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:37 -07:00 Committer:

[tip: x86/build] xtensa: Move EXCEPTION_TABLE to RO_DATA segment

The following commit has been merged into the x86/build branch of tip: Commit-ID: 94174c9b71c62a0e1a4364c2594e1422ba8fffcd Gitweb: https://git.kernel.org/tip/94174c9b71c62a0e1a4364c2594e1422ba8fffcd Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:47 -07:00 Committer:

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

On 05.11.19 05:38, Dan Williams wrote: On Thu, Oct 24, 2019 at 5:11 AM David Hildenbrand wrote: Right now, ZONE_DEVICE memory is always set PG_reserved. We want to change that. KVM has this weird use case that you can map anything from /dev/mem into the guest. pfn_valid() is not a reliable

Re: [PATCH v1 02/10] KVM: x86/mmu: Prepare kvm_is_mmio_pfn() for PG_reserved changes

On 05.11.19 02:37, Dan Williams wrote: On Thu, Oct 24, 2019 at 5:10 AM David Hildenbrand wrote: Right now, ZONE_DEVICE memory is always set PG_reserved. We want to change that. KVM has this weird use case that you can map anything from /dev/mem into the guest. pfn_valid() is not a reliable

[PATCH v6 0/4] powerpc: expose secure variables to the kernel and userspace

In order to verify the OS kernel on PowerNV systems, secure boot requires X.509 certificates trusted by the platform. These are stored in secure variables controlled by OPAL, called OPAL secure variables. In order to enable users to manage the keys, the secure variables need to be exposed to

[PATCH v15 6/9] namei: LOOKUP_{IN_ROOT, BENEATH}: permit limited ".." resolution

Allow LOOKUP_BENEATH and LOOKUP_IN_ROOT to safely permit ".." resolution (in the case of LOOKUP_BENEATH the resolution will still fail if ".." resolution would resolve a path outside of the root -- while LOOKUP_IN_ROOT will chroot(2)-style scope it). Magic-link jumps are still disallowed

[tip: x86/build] microblaze: Move EXCEPTION_TABLE to RO_DATA segment

The following commit has been merged into the x86/build branch of tip: Commit-ID: 3bda6f37a7949c803b84cf27e11a3995d900a179 Gitweb: https://git.kernel.org/tip/3bda6f37a7949c803b84cf27e11a3995d900a179 Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:44 -07:00 Committer:

[tip: x86/build] vmlinux.lds.h: Allow EXCEPTION_TABLE to live in RO_DATA

The following commit has been merged into the x86/build branch of tip: Commit-ID: b8c2f776164c8f74ac31c5e370ca3f029be0aa19 Gitweb: https://git.kernel.org/tip/b8c2f776164c8f74ac31c5e370ca3f029be0aa19 Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:36 -07:00 Committer:

[tip: x86/build] powerpc: Remove PT_NOTE workaround

The following commit has been merged into the x86/build branch of tip: Commit-ID: 6fc4000656a10fb679ab6566dcd516ee672f1706 Gitweb: https://git.kernel.org/tip/6fc4000656a10fb679ab6566dcd516ee672f1706 Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:24 -07:00 Committer:

[tip: x86/build] vmlinux.lds.h: Move Program Header restoration into NOTES macro

The following commit has been merged into the x86/build branch of tip: Commit-ID: fbe6a8e618a2d70621cff277e24f6eb338d3d149 Gitweb: https://git.kernel.org/tip/fbe6a8e618a2d70621cff277e24f6eb338d3d149 Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:31 -07:00 Committer:

[tip: x86/build] powerpc: Move EXCEPTION_TABLE to RO_DATA segment

The following commit has been merged into the x86/build branch of tip: Commit-ID: 4e9e559a0385930649c1c9cad703d475ee030206 Gitweb: https://git.kernel.org/tip/4e9e559a0385930649c1c9cad703d475ee030206 Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:46 -07:00 Committer:

[tip: x86/build] c6x: Move EXCEPTION_TABLE to RO_DATA segment

The following commit has been merged into the x86/build branch of tip: Commit-ID: 1e51cd538809112a6ac702a48e9719a75152c902 Gitweb: https://git.kernel.org/tip/1e51cd538809112a6ac702a48e9719a75152c902 Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:41 -07:00 Committer:

[tip: x86/build] arm64: Move EXCEPTION_TABLE to RO_DATA segment

The following commit has been merged into the x86/build branch of tip: Commit-ID: 19f6bc32c6f4216e099963f416de91eba7ca1430 Gitweb: https://git.kernel.org/tip/19f6bc32c6f4216e099963f416de91eba7ca1430 Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:40 -07:00 Committer:

[tip: x86/build] h8300: Move EXCEPTION_TABLE to RO_DATA segment

The following commit has been merged into the x86/build branch of tip: Commit-ID: 380e57e2d41e9631132beccac30058228dfd376f Gitweb: https://git.kernel.org/tip/380e57e2d41e9631132beccac30058228dfd376f Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:42 -07:00 Committer:

[PATCH v15 4/9] namei: LOOKUP_BENEATH: O_BENEATH-like scoped resolution

/* Background. */ There are many circumstances when userspace wants to resolve a path and ensure that it doesn't go outside of a particular root directory during resolution. Obvious examples include archive extraction tools, as well as other security-conscious userspace programs. FreeBSD spun out

[PATCH v15 7/9] open: introduce openat2(2) syscall

/* Background. */ For a very long time, extending openat(2) with new features has been incredibly frustrating. This stems from the fact that openat(2) is possibly the most famous counter-example to the mantra "don't silently accept garbage from userspace" -- it doesn't check whether unknown flags

[tip: x86/build] vmlinux.lds.h: Replace RW_DATA_SECTION with RW_DATA

The following commit has been merged into the x86/build branch of tip: Commit-ID: c9174047b48d700a785b633319dd7d27288b86be Gitweb: https://git.kernel.org/tip/c9174047b48d700a785b633319dd7d27288b86be Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:35 -07:00 Committer:

[tip: x86/build] alpha: Rename PT_LOAD identifier "kernel" to "text"

The following commit has been merged into the x86/build branch of tip: Commit-ID: 65182e6e36195fbf9340808ac4a00d1c146bc05c Gitweb: https://git.kernel.org/tip/65182e6e36195fbf9340808ac4a00d1c146bc05c Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:26 -07:00 Committer:

[tip: x86/build] s390: Move RO_DATA into "text" PT_LOAD Program Header

The following commit has been merged into the x86/build branch of tip: Commit-ID: 6434efbd9aefa3786b446c8e4745d1f49d2983b4 Gitweb: https://git.kernel.org/tip/6434efbd9aefa3786b446c8e4745d1f49d2983b4 Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:28 -07:00 Committer:

[tip: x86/build] x86/mm: Report which part of kernel image is freed

The following commit has been merged into the x86/build branch of tip: Commit-ID: 5494c3a6a0b965906ffdcb620d94079ea4cb69ea Gitweb: https://git.kernel.org/tip/5494c3a6a0b965906ffdcb620d94079ea4cb69ea Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:49 -07:00 Committer:

Re: [PATCH v1 01/10] mm/memory_hotplug: Don't allow to online/offline memory blocks with holes

On 05.11.19 02:30, Dan Williams wrote: On Thu, Oct 24, 2019 at 5:10 AM David Hildenbrand wrote: Our onlining/offlining code is unnecessarily complicated. Only memory blocks added during boot can have holes (a range that is not IORESOURCE_SYSTEM_RAM). Hotplugged memory never has holes (e.g.,

[PATCH v6 3/4] x86/efi: move common keyring handler functions to new file

From: Nayna Jain The handlers to add the keys to the .platform keyring and blacklisted hashes to the .blacklist keyring is common for both the uefi and powerpc mechanisms of loading the keys/hashes from the firmware. This patch moves the common code from load_uefi.c to keyring_handler.c

[PATCH v15 3/9] namei: LOOKUP_NO_XDEV: block mountpoint crossing

/* Background. */ The need to contain path operations within a mountpoint has been a long-standing usecase that userspace has historically implemented manually with liberal usage of stat(). find, rsync, tar and many other programs implement these semantics -- but it'd be much simpler to have a

[tip: x86/build] vmlinux.lds.h: Move NOTES into RO_DATA

The following commit has been merged into the x86/build branch of tip: Commit-ID: eaf937075c9a42eb8ba51eb3050773d7205d3595 Gitweb: https://git.kernel.org/tip/eaf937075c9a42eb8ba51eb3050773d7205d3595 Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:32 -07:00 Committer:

[tip: x86/build] vmlinux.lds.h: Replace RO_DATA_SECTION with RO_DATA

The following commit has been merged into the x86/build branch of tip: Commit-ID: 93240b327929ff03c1878ea8badc5c6bd86f053f Gitweb: https://git.kernel.org/tip/93240b327929ff03c1878ea8badc5c6bd86f053f Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:34 -07:00 Committer:

Re: [PATCH 09/19] drm/via: set FOLL_PIN via pin_user_pages_fast()

On Mon, Nov 04, 2019 at 11:20:38AM -0800, John Hubbard wrote: > On 11/4/19 10:10 AM, Daniel Vetter wrote: > > On Thu, Oct 31, 2019 at 04:36:28PM -0700, Ira Weiny wrote: > >> On Wed, Oct 30, 2019 at 03:49:20PM -0700, John Hubbard wrote: > >>> Convert drm/via to use the new pin_user_pages_fast()

[tip: x86/build] parisc: Move EXCEPTION_TABLE to RO_DATA segment

The following commit has been merged into the x86/build branch of tip: Commit-ID: 6e85e23ef2d004def8e1acd36eb155411499b7cc Gitweb: https://git.kernel.org/tip/6e85e23ef2d004def8e1acd36eb155411499b7cc Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:45 -07:00 Committer:

[tip: x86/build] vmlinux.lds.h: Replace RODATA with RO_DATA

The following commit has been merged into the x86/build branch of tip: Commit-ID: c82318254d15e5f83c75f60aedf2bb9eb408308f Gitweb: https://git.kernel.org/tip/c82318254d15e5f83c75f60aedf2bb9eb408308f Author:Kees Cook AuthorDate:Tue, 29 Oct 2019 14:13:33 -07:00 Committer:

Re: [PATCH v1 03/10] KVM: Prepare kvm_is_reserved_pfn() for PG_reserved changes

On 05.11.19 10:17, David Hildenbrand wrote: On 05.11.19 05:38, Dan Williams wrote: On Thu, Oct 24, 2019 at 5:11 AM David Hildenbrand wrote: Right now, ZONE_DEVICE memory is always set PG_reserved. We want to change that. KVM has this weird use case that you can map anything from /dev/mem

[Bug 205201] Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M

https://bugzilla.kernel.org/show_bug.cgi?id=205201 Christophe Leroy (christophe.le...@c-s.fr) changed: What|Removed |Added CC|

[PATCH v6 1/4] powerpc/powernv: Add OPAL API interface to access secure variable

From: Nayna Jain The X.509 certificates trusted by the platform and required to secure boot the OS kernel are wrapped in secure variables, which are controlled by OPAL. This patch adds firmware/kernel interface to read and write OPAL secure variables based on the unique key. This support can

[PATCH v6 2/4] powerpc: expose secure variables to userspace via sysfs

From: Nayna Jain PowerNV secure variables, which store the keys used for OS kernel verification, are managed by the firmware. These secure variables need to be accessed by the userspace for addition/deletion of the certificates. This patch adds the sysfs interface to expose secure variables for

Re: [PATCH v2 3/4] Documentation/ABI: mark /sys/kernel/fadump_* sysfs files deprecated

On 10/21/19 1:11 PM, Hari Bathini wrote: > > > On 18/10/19 6:35 PM, Sourabh Jain wrote: >> The /sys/kernel/fadump_* sysfs files are replicated under > > [...] > >> +Note: The following FADump sysfs files are deprecated. >> + >> +Deprecated Alternative >> + >>

[PATCH v15 1/9] namei: LOOKUP_NO_SYMLINKS: block symlink resolution

/* Background. */ Userspace cannot easily resolve a path without resolving symlinks, and would have to manually resolve each path component with O_PATH and O_NOFOLLOW. This is clearly inefficient, and can be fairly easy to screw up (resulting in possible security bugs). Linus has mentioned that

  1   2   >