Re: [PATCH] powerpc: Support CMDLINE_EXTEND

Le 30/07/2019 à 23:10, Chris Packham a écrit : Hi Christophe, On Tue, 2019-07-30 at 09:02 +0200, Christophe Leroy wrote: Le 24/07/2019 à 07:33, Chris Packham a écrit : Device tree aware platforms can make use of CMDLINE_EXTEND to extend the kernel command line provided by the bootloader.

Re: [PATCH] powerpc/kasan: fix early boot failure on PPC32

Le 31/07/2019 à 08:01, Christophe Leroy a écrit : Due to commit 4a6d8cf90017 ("powerpc/mm: don't use pte_alloc_kernel() until slab is available on PPC32"), pte_alloc_kernel() cannot be used during early KASAN init. Fix it by using memblock_alloc() instead. Reported-by: Erhard F. Fixes: 2edb

Re: [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA

On Wed 31-07-19 09:24:21, Mike Rapoport wrote: > [ sorry for a late reply too, somehow I missed this thread before ] > > On Tue, Jul 30, 2019 at 10:14:15AM +0200, Michal Hocko wrote: > > [Sorry for a late reply] > > > > On Mon 15-07-19 17:55:07, Hoan Tran OS wrote: > > > Hi, > > > > > > On 7/12/

[Bug 204371] BUG kmalloc-4k (Tainted: G W ): Object padding overwritten

https://bugzilla.kernel.org/show_bug.cgi?id=204371 --- Comment #3 from Erhard F. (erhar...@mailbox.org) --- On Tue, 30 Jul 2019 11:52:44 -0700 Andrew Morton wrote: > (switched to email. Please respond via emailed reply-to-all, not via the > bugzilla web interface). > > > On Mon, 29 Jul 2019 2

[Bug 204375] kernel 5.2.4 w. KASAN enabled fails to boot on a PowerMac G4 3,6 at very early stage

https://bugzilla.kernel.org/show_bug.cgi?id=204375 --- Comment #5 from Erhard F. (erhar...@mailbox.org) --- Created attachment 284057 --> https://bugzilla.kernel.org/attachment.cgi?id=284057&action=edit early boot picture (PowerMac G4 DP, kernel 5.2.5) Thanks! Your patch cleanly applied against

[PATCH v3 03/10] powerpc: introduce kimage_vaddr to store the kernel base

Now the kernel base is a fixed value - KERNELBASE. To support KASLR, we need a variable to store the kernel base. Signed-off-by: Jason Yan Cc: Diana Craciun Cc: Michael Ellerman Cc: Christophe Leroy Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Nicholas Piggin Cc: Kees Cook Reviewed-by

[PATCH v3 01/10] powerpc: unify definition of M_IF_NEEDED

M_IF_NEEDED is defined too many times. Move it to a common place. Signed-off-by: Jason Yan Cc: Diana Craciun Cc: Michael Ellerman Cc: Christophe Leroy Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Nicholas Piggin Cc: Kees Cook Reviewed-by: Christophe Leroy --- arch/powerpc/include/as

[PATCH v3 04/10] powerpc/fsl_booke/32: introduce create_tlb_entry() helper

Add a new helper create_tlb_entry() to create a tlb entry by the virtual and physical address. This is a preparation to support boot kernel at a randomized address. Signed-off-by: Jason Yan Cc: Diana Craciun Cc: Michael Ellerman Cc: Christophe Leroy Cc: Benjamin Herrenschmidt Cc: Paul Mackerr

[PATCH v3 00/10] implement KASLR for powerpc/fsl_booke/32

This series implements KASLR for powerpc/fsl_booke/32, as a security feature that deters exploit attempts relying on knowledge of the location of kernel internals. Since CONFIG_RELOCATABLE has already supported, what we need to do is map or copy kernel to a proper place and relocate. Freescale Boo

[PATCH v3 05/10] powerpc/fsl_booke/32: introduce reloc_kernel_entry() helper

Add a new helper reloc_kernel_entry() to jump back to the start of the new kernel. After we put the new kernel in a randomized place we can use this new helper to enter the kernel and begin to relocate again. Signed-off-by: Jason Yan Cc: Diana Craciun Cc: Michael Ellerman Cc: Christophe Leroy

[PATCH v3 02/10] powerpc: move memstart_addr and kernstart_addr to init-common.c

These two variables are both defined in init_32.c and init_64.c. Move them to init-common.c. Signed-off-by: Jason Yan Cc: Diana Craciun Cc: Michael Ellerman Cc: Christophe Leroy Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Nicholas Piggin Cc: Kees Cook Reviewed-by: Christophe Leroy -

[PATCH v3 07/10] powerpc/fsl_booke/32: randomize the kernel image offset

After we have the basic support of relocate the kernel in some appropriate place, we can start to randomize the offset now. Entropy is derived from the banner and timer, which will change every build and boot. This not so much safe so additionally the bootloader may pass entropy via the /chosen/ka

[PATCH v3 06/10] powerpc/fsl_booke/32: implement KASLR infrastructure

This patch add support to boot kernel from places other than KERNELBASE. Since CONFIG_RELOCATABLE has already supported, what we need to do is map or copy kernel to a proper place and relocate. Freescale Book-E parts expect lowmem to be mapped by fixed TLB entries(TLB1). The TLB1 entries are not su

[PATCH v3 09/10] powerpc/fsl_booke/kaslr: support nokaslr cmdline parameter

One may want to disable kaslr when boot, so provide a cmdline parameter 'nokaslr' to support this. Signed-off-by: Jason Yan Cc: Diana Craciun Cc: Michael Ellerman Cc: Christophe Leroy Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Nicholas Piggin Cc: Kees Cook --- arch/powerpc/kernel/k

[PATCH v3 08/10] powerpc/fsl_booke/kaslr: clear the original kernel if randomized

The original kernel still exists in the memory, clear it now. Signed-off-by: Jason Yan Cc: Diana Craciun Cc: Michael Ellerman Cc: Christophe Leroy Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Nicholas Piggin Cc: Kees Cook Reviewed-by: Christophe Leroy --- arch/powerpc/kernel/kaslr_b

[PATCH v3 10/10] powerpc/fsl_booke/kaslr: dump out kernel offset information on panic

When kaslr is enabled, the kernel offset is different for every boot. This brings some difficult to debug the kernel. Dump out the kernel offset when panic so that we can easily debug the kernel. Signed-off-by: Jason Yan Cc: Diana Craciun Cc: Michael Ellerman Cc: Christophe Leroy Cc: Benjamin

[Bug 204375] kernel 5.2.4 w. KASAN enabled fails to boot on a PowerMac G4 3,6 at very early stage

https://bugzilla.kernel.org/show_bug.cgi?id=204375 --- Comment #6 from Christophe Leroy (christophe.le...@c-s.fr) --- >> = >> OpenBIOS 1.1 [Oct 19 2017 07:00] >> Configuration device id QEMU version 1 machine id 1 >> CPUs: 1 >> Memory: 20

[Bug 204375] kernel 5.2.4 w. KASAN enabled fails to boot on a PowerMac G4 3,6 at very early stage

https://bugzilla.kernel.org/show_bug.cgi?id=204375 --- Comment #7 from Christophe Leroy (christophe.le...@c-s.fr) --- Created attachment 284059 --> https://bugzilla.kernel.org/attachment.cgi?id=284059&action=edit Screenshot1 When booting QEMU in graphic mode, it first hangs for some time here.

[Bug 204375] kernel 5.2.4 w. KASAN enabled fails to boot on a PowerMac G4 3,6 at very early stage

https://bugzilla.kernel.org/show_bug.cgi?id=204375 --- Comment #8 from Christophe Leroy (christophe.le...@c-s.fr) --- Created attachment 284061 --> https://bugzilla.kernel.org/attachment.cgi?id=284061&action=edit Screenshot2 Then it reverts to text mode and continue booting -- You are receivi

[Bug 204375] kernel 5.2.4 w. KASAN enabled fails to boot on a PowerMac G4 3,6 at very early stage

https://bugzilla.kernel.org/show_bug.cgi?id=204375 --- Comment #9 from Erhard F. (erhar...@mailbox.org) --- Hmm, nice.. I'll try to get the G4 booting further by prolonging HUNG_TASK_TIMEOUT and PANIC_TIMEOUT to 10min. Probably the btrfs guys also want to know about this btrfs deadlock. I try to

Re: [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA

On Wed, Jul 31, 2019 at 10:03:09AM +0200, Michal Hocko wrote: > On Wed 31-07-19 09:24:21, Mike Rapoport wrote: > > [ sorry for a late reply too, somehow I missed this thread before ] > > > > On Tue, Jul 30, 2019 at 10:14:15AM +0200, Michal Hocko wrote: > > > [Sorry for a late reply] > > > > > > O

Applied "ASoC: meson: axg-spdifin: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: meson: axg-spdifin: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually

Applied "ASoC: jz4740: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: jz4740: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime in t

Applied "ASoC: stm32: sai: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: stm32: sai: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime

Applied "ASoC: inno_rk3036: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: inno_rk3036: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime

Applied "ASoC: meson: axg-pdm: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: meson: axg-pdm: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually somet

Applied "ASoC: meson: g12a-tohdmitx: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: meson: g12a-tohdmitx: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usuall

Applied "ASoC: au1x: psc-i2s: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: au1x: psc-i2s: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually someti

Applied "ASoC: meson: axg-spdifout: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: meson: axg-spdifout: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually

Applied "ASoC: mmp-sspa: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: mmp-sspa: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime in

Applied "ASoC: codecs: msm8916-wcd: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: codecs: msm8916-wcd: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually

Applied "ASoC: meson: axg-fifo: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: meson: axg-fifo: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually some

Applied "ASoC: uniphier: aio-dma: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: uniphier: aio-dma: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually s

Applied "ASoC: xtfpga-i2s: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: xtfpga-i2s: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime

Applied "ASoC: sunxi: sun50i-codec-analog: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: sunxi: sun50i-codec-analog: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (

Applied "ASoC: sun8i-codec: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: sun8i-codec: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime

Applied "ASoC: xlnx: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: xlnx: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime in the

Applied "ASoC: codecs: jz4725b: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: codecs: jz4725b: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually some

Applied "ASoC: uniphier: evea: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: uniphier: evea: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually somet

Applied "ASoC: psc-ac97: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: psc-ac97: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime in

Applied "ASoC: kirkwood-i2s: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: kirkwood-i2s: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometim

Applied "ASoC: meson: axg-tdm-formatter: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: meson: axg-tdm-formatter: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (us

Applied "ASoC: sun8i-codec-analog: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: sun8i-codec-analog: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually

Applied "ASoC: spear: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: spear: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime in th

Applied "ASoC: mxs-saif: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: mxs-saif: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime in

Applied "ASoC: sirf: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: sirf: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime in the

Applied "ASoC: ep93xx-i2s: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: ep93xx-i2s: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime

Applied "ASoC: fsl_audmix: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: fsl_audmix: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime

Applied "ASoC: bcm2835-i2s: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: bcm2835-i2s: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime

Applied "ASoC: mt6797: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: mt6797: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime in t

Applied "ASoC: mt8173: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: mt8173: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime in t

Applied "ASoC: imx-audmux: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: imx-audmux: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime

Applied "ASoC: rockchip: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: rockchip: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime in

Applied "ASoC: tegra20_das: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: tegra20_das: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime

Applied "ASoC: tegra: use devm_platform_ioremap_resource() to simplify code" to the asoc tree

The patch ASoC: tegra: use devm_platform_ioremap_resource() to simplify code has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4 All being well this means that it will be integrated into the linux-next tree (usually sometime in th

Re: [PATCH v2 1/5] powerpc/powernv: Move SCOM access code into powernv platform

Andrew Donnellan writes: > On 9/5/19 3:11 pm, Andrew Donnellan wrote: >> The powernv platform is the only one that directly accesses SCOMs. Move the >> support code to platforms/powernv, and get rid of the PPC_SCOM Kconfig >> option, as SCOM support is always selected when compiling for powernv. >

[Bug 204375] kernel 5.2.4 w. KASAN enabled fails to boot on a PowerMac G4 3,6 at very early stage

https://bugzilla.kernel.org/show_bug.cgi?id=204375 --- Comment #10 from Christophe Leroy (christophe.le...@c-s.fr) --- Yes feel free to take anything I have attached here. -- You are receiving this mail because: You are watching the assignee of the bug.

Re: [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA

On Wed 31-07-19 14:14:22, Mike Rapoport wrote: > On Wed, Jul 31, 2019 at 10:03:09AM +0200, Michal Hocko wrote: > > On Wed 31-07-19 09:24:21, Mike Rapoport wrote: > > > [ sorry for a late reply too, somehow I missed this thread before ] > > > > > > On Tue, Jul 30, 2019 at 10:14:15AM +0200, Michal H

Re: [PATCH v2] powerpc/powernv: Restrict OPAL symbol map to only be readable by root

Andrew Donnellan writes: > On 3/5/19 5:52 pm, Andrew Donnellan wrote: >> Currently the OPAL symbol map is globally readable, which seems bad as it >> contains physical addresses. >> >> Restrict it to root. >> >> Suggested-by: Michael Ellerman >> Cc: Jordan Niethe >> Cc: Stewart Smith >> Fixes

Re: [PATCH] drivers/macintosh/smu.c: Mark expected switch fall-through

Kees Cook writes: > On Wed, Jul 31, 2019 at 12:28:55AM +1000, Michael Ellerman wrote: >> Stephen Rothwell writes: >> > Mark switch cases where we are expecting to fall through. >> > >> > This patch fixes the following warning (Building: powerpc): >> > >> > drivers/macintosh/smu.c: In function 'sm

Re: [PATCH 107/107] perf vendor events power9: Added missing event descriptions

Arnaldo Carvalho de Melo writes: > From: Michael Petlan > > Documentation source: > > https://wiki.raptorcs.com/w/images/6/6b/POWER9_PMU_UG_v12_28NOV2018_pub.pdf > > Signed-off-by: Michael Petlan > Reviewed-by: Madhavan Srinivasan > Cc: Ananth N Mavinakayanahalli > Cc: Carl Love > Cc: Michael

Re: [Bug 204371] BUG kmalloc-4k (Tainted: G W ): Object padding overwritten

bugzilla-dae...@bugzilla.kernel.org writes: > https://bugzilla.kernel.org/show_bug.cgi?id=204371 > > --- Comment #2 from Andrew Morton (a...@linux-foundation.org) --- > (switched to email. Please respond via emailed reply-to-all, not via the > bugzilla web interface). > > > On Mon, 29 Jul 2019 22

Re: [PATCH v2 5/5] powerpc/configs: Disable SCOM_DEBUGFS in powernv_defconfig

Andrew Donnellan writes: > On 9/5/19 3:54 pm, Andrew Donnellan wrote: >> On 9/5/19 3:37 pm, Nicholas Piggin wrote: >>> Andrew Donnellan's on May 9, 2019 3:11 pm: SCOM_DEBUGFS is really not needed for anything other than low-level hardware debugging. opal-prd uses its own interf

Re: [PATCH] powerpc: Use nid as fallback for chip_id

* Michael Ellerman [2019-07-29 22:41:55]: > > > > + chip_id = of_get_ibm_chip_id(np); > > + if (chip_id == -1) > > + chip_id = of_node_to_nid(np); > > + > > of_node_put(np); > > - return of_get_ibm_chip_id(np); > > + return chip_id; > > } > > A nid is not a chip-id. >

[Bug 204371] BUG kmalloc-4k (Tainted: G W ): Object padding overwritten

https://bugzilla.kernel.org/show_bug.cgi?id=204371 --- Comment #4 from m...@ellerman.id.au --- bugzilla-dae...@bugzilla.kernel.org writes: > https://bugzilla.kernel.org/show_bug.cgi?id=204371 > > --- Comment #2 from Andrew Morton (a...@linux-foundation.org) --- > (switched to email. Please respo

Re: [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA

On Wed, Jul 31, 2019 at 01:40:16PM +0200, Michal Hocko wrote: > On Wed 31-07-19 14:14:22, Mike Rapoport wrote: > > On Wed, Jul 31, 2019 at 10:03:09AM +0200, Michal Hocko wrote: > > > On Wed 31-07-19 09:24:21, Mike Rapoport wrote: > > > > [ sorry for a late reply too, somehow I missed this thread be

[RFC PATCH] powerpc/64s/radix: introduce option to disable broadcast tlbie

This is an initial hack of a quick option to disable use of the tlbie instruction. This takes the simplest possible initial pass of just replacing low level tlbie functions with IPIs. This means it's not as performant as it could be if we spend some time optmizing it, but on the other hand having a

microblaze HAVE_MEMBLOCK_NODE_MAP dependency (was Re: [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA)

On Wed 31-07-19 15:26:32, Mike Rapoport wrote: > On Wed, Jul 31, 2019 at 01:40:16PM +0200, Michal Hocko wrote: > > On Wed 31-07-19 14:14:22, Mike Rapoport wrote: > > > On Wed, Jul 31, 2019 at 10:03:09AM +0200, Michal Hocko wrote: > > > > On Wed 31-07-19 09:24:21, Mike Rapoport wrote: > > > > > [ so

[Bug 204375] kernel 5.2.4 w. KASAN enabled fails to boot on a PowerMac G4 3,6 at very early stage

https://bugzilla.kernel.org/show_bug.cgi?id=204375 --- Comment #11 from Erhard F. (erhar...@mailbox.org) --- I opened bug #204397 with your output. The G4 DP won't boot to a stage where I can get a dmesg, even if waiting for 10 minutes. -- You are receiving this mail because: You are watching t

Re: [RFC PATCH] powerpc/64s/radix: introduce option to disable broadcast tlbie

Le 31/07/2019 à 14:32, Nicholas Piggin a écrit : This is an initial hack of a quick option to disable use of the tlbie instruction. This takes the simplest possible initial pass of just replacing low level tlbie functions with IPIs. This means it's not as performant as it could be if we spend

Re: microblaze HAVE_MEMBLOCK_NODE_MAP dependency (was Re: [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA)

On Wed, Jul 31, 2019 at 03:00:37PM +0200, Michal Hocko wrote: > On Wed 31-07-19 15:26:32, Mike Rapoport wrote: > > On Wed, Jul 31, 2019 at 01:40:16PM +0200, Michal Hocko wrote: > > > On Wed 31-07-19 14:14:22, Mike Rapoport wrote: > > > > On Wed, Jul 31, 2019 at 10:03:09AM +0200, Michal Hocko wrote:

Re: microblaze HAVE_MEMBLOCK_NODE_MAP dependency (was Re: [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA)

On Wed 31-07-19 17:21:29, Mike Rapoport wrote: > On Wed, Jul 31, 2019 at 03:00:37PM +0200, Michal Hocko wrote: > > On Wed 31-07-19 15:26:32, Mike Rapoport wrote: > > > On Wed, Jul 31, 2019 at 01:40:16PM +0200, Michal Hocko wrote: > > > > On Wed 31-07-19 14:14:22, Mike Rapoport wrote: > > > > > On W

[PATCH v10 06/22] powerpc: mm: Add p?d_leaf() definitions

walk_page_range() is going to be allowed to walk page tables other than those of user space. For this it needs to know when it has reached a 'leaf' entry in the page tables. This information is provided by the p?d_leaf() functions/macros. For powerpc pmd_large() already exists and does what we wan

Re: microblaze HAVE_MEMBLOCK_NODE_MAP dependency (was Re: [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA)

On Wed, Jul 31, 2019 at 04:41:14PM +0200, Michal Hocko wrote: > On Wed 31-07-19 17:21:29, Mike Rapoport wrote: > > On Wed, Jul 31, 2019 at 03:00:37PM +0200, Michal Hocko wrote: > > > > > > I am sorry, but I still do not follow. Who is consuming that node id > > > information when NUMA=n. In other

Re: microblaze HAVE_MEMBLOCK_NODE_MAP dependency (was Re: [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA)

On 7/31/19 10:15 AM, Mike Rapoport wrote: > On Wed, Jul 31, 2019 at 04:41:14PM +0200, Michal Hocko wrote: >> On Wed 31-07-19 17:21:29, Mike Rapoport wrote: >>> On Wed, Jul 31, 2019 at 03:00:37PM +0200, Michal Hocko wrote: I am sorry, but I still do not follow. Who is consuming that node i

Re: [PATCH] hwrng: Use device-managed registration API

On Thu, Jul 25, 2019 at 04:01:55PM +0800, Chuhong Yuan wrote: > External E-Mail > > > Use devm_hwrng_register to simplify the implementation. > Manual unregistration and some remove functions can be > removed now. > > Signed-off-by: Chuhong Yuan > --- > drivers/char/hw_random/atmel-rng.c |

[PATCH 6/8] dma-direct: turn ARCH_ZONE_DMA_BITS into a variable

Some architectures, notably arm64, are interested in tweaking this depending on their runtime dma addressing limitations. Signed-off-by: Nicolas Saenz Julienne --- arch/powerpc/include/asm/page.h | 9 - arch/powerpc/mm/mem.c | 14 -- arch/s390/include/asm/page.h

[PATCH 0/8] Raspberry Pi 4 DMA addressing support

Hi all, this series attempts to address some issues we found while bringing up the new Raspberry Pi 4 in arm64 and it's intended to serve as a follow up of this discussion: https://lkml.org/lkml/2019/7/17/476 The new Raspberry Pi 4 has up to 4GB of memory but most peripherals can only address the

Re: [RFC PATCH] powerpc/64s/radix: introduce option to disable broadcast tlbie

Christophe Leroy's on July 31, 2019 11:56 pm: > > > Le 31/07/2019 à 14:32, Nicholas Piggin a écrit : >> This is an initial hack of a quick option to disable use of the tlbie >> instruction. This takes the simplest possible initial pass of just >> replacing low level tlbie functions with IPIs. Thi

Re: [PATCH] powerpc: Support CMDLINE_EXTEND

On Wed, 2019-07-31 at 09:23 +0200, Christophe Leroy wrote: > > Le 30/07/2019 à 23:10, Chris Packham a écrit : > > > > Hi Christophe, > > > > On Tue, 2019-07-30 at 09:02 +0200, Christophe Leroy wrote: > > > > > > > > > Le 24/07/2019 à 07:33, Chris Packham a écrit : > > > > > > > > > > > > Dev

[PATCH v2] powerpc: Support CMDLINE_EXTEND

Bring powerpc in line with other architectures that support extending or overriding the bootloader provided command line. The current behaviour is most like CMDLINE_FROM_BOOTLOADER where the bootloader command line is preferred but the kernel config can provide a fallback so CMDLINE_FROM_BOOTLOADE

Re: [PATCH 1/3] powerpc/spinlocks: Refactor SHARED_PROCESSOR

On 28/7/19 10:54 pm, Christopher M. Riedl wrote: Determining if a processor is in shared processor mode is not a constant so don't hide it behind a #define. Signed-off-by: Christopher M. Riedl This seems aesthetically more right. Reviewed-by: Andrew Donnellan --- arch/powerpc/include/as

Re: [PATCH 2/3] powerpc/spinlocks: Rename SPLPAR-only spinlocks

On 28/7/19 10:54 pm, Christopher M. Riedl wrote: The __rw_yield and __spin_yield locks only pertain to SPLPAR mode. Rename them to make this relationship obvious. Signed-off-by: Christopher M. Riedl Reviewed-by: Andrew Donnellan --- arch/powerpc/include/asm/spinlock.h | 6 -- arch/p

Re: [PATCH 3/3] powerpc/spinlock: Fix oops in shared-processor spinlocks

On 28/7/19 10:54 pm, Christopher M. Riedl wrote: Booting w/ ppc64le_defconfig + CONFIG_PREEMPT results in the attached kernel trace due to calling shared-processor spinlocks while not running in an SPLPAR. Previously, the out-of-line spinlocks implementations were selected based on CONFIG_PPC_SPL

[PATCH] powerpc/configs: Add debug config fragment

Add a debug config fragment that we can use to put useful debug options into. Currently we only define a target for powernv[_be]_debug_defconfig, and the only option included is to enable debugfs SCOM access. Suggested-by: Michael Ellerman Signed-off-by: Andrew Donnellan --- arch/powerpc/Makef

[PATCH] powerpc/powernv: Print helpful message when cores guarded

Often the firmware will guard out cores after a crash. This often undesirable, and is not immediately noticeable. This adds an informative message when a CPU device tree nodes are marked bad in the device tree. Signed-off-by: Joel Stanley --- Tested on qemu 4.1 with this patch applied: https:

[Bug 204375] kernel 5.2.4 w. KASAN enabled fails to boot on a PowerMac G4 3,6 at very early stage

https://bugzilla.kernel.org/show_bug.cgi?id=204375 --- Comment #12 from Christophe Leroy (christophe.le...@c-s.fr) --- On my side under QEMU, deactivating KASAN on lib/mpi significantly reduces boot time. For that, just add the following on top of lib/mpi/Makefile: KASAN_SANITIZE := n -- You ar

Re: [PATCH v2] powerpc: Support CMDLINE_EXTEND

Le 01/08/2019 à 04:12, Chris Packham a écrit : Bring powerpc in line with other architectures that support extending or overriding the bootloader provided command line. The current behaviour is most like CMDLINE_FROM_BOOTLOADER where the bootloader command line is preferred but the kernel con