Re: livepatch: reuse module loader code to write relocations

On Mon, 21 Mar 2016, Josh Poimboeuf wrote: > According to my test that still results in the literal value of > "(64 - 8)". Alright. But we should be able to special-case it with a two #if checks on the __SIZEOF_LONG__ value and BUILD_BUG_ON() when __SIZEOF_LONG__ is not of one of the ususal

Re: livepatch: reuse module loader code to write relocations

On Mon, Mar 21, 2016 at 10:16:17PM +0100, Jiri Kosina wrote: > On Mon, 21 Mar 2016, Jessica Yu wrote: > > > Yes, this is a concern and I'm not sure what the best way to fix it > > is. If both MODULE_NAME_LEN and KSYM_NAME_LEN were straight up > > constants, then I think Josh's stringify approach

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Re: livepatch: reuse module loader code to write relocations

+++ Miroslav Benes [21/03/16 14:55 +0100]: On Wed, 16 Mar 2016, Jessica Yu wrote: [...] +struct klp_buf { + char symname[KSYM_SYMBOL_LEN]; I think it is better to make this KSYM_NAME_LEN. KSYM_SYMBOL_LEN looks like something different and KSYM_NAME_LEN is 128 which you reference

Re: livepatch: reuse module loader code to write relocations

+++ Josh Poimboeuf [21/03/16 12:36 -0500]: On Mon, Mar 21, 2016 at 11:46:51AM -0500, Josh Poimboeuf wrote: On Mon, Mar 21, 2016 at 05:31:57PM +0100, Petr Mladek wrote: > > diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c > > index 780f00c..2aa20fa 100644 > > ---

Re: [PATCH v5 4/6] livepatch: reuse module loader code to write relocations

On Mon, Mar 21, 2016 at 11:46:51AM -0500, Josh Poimboeuf wrote: > On Mon, Mar 21, 2016 at 05:31:57PM +0100, Petr Mladek wrote: > > > diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c > > > index 780f00c..2aa20fa 100644 > > > --- a/kernel/livepatch/core.c > > > +++

[PATCH 0/2] Re-work UV BAU enable/disable logic, add documentation

Hey everyone, This is a fairly simple change to disable the UV BAU by default (see commit message for reasoning) and to add some documentation to kernel-parameters.txt to explain the new parameter. Let me know what you think! Alex Thorlton (2): Disable UV BAU by default Add documentation

Re: [PATCH v5 4/6] livepatch: reuse module loader code to write relocations

On Wed 2016-03-16 15:47:06, Jessica Yu wrote: > Reuse module loader code to write relocations, thereby eliminating the need > for architecture specific relocation code in livepatch. Specifically, reuse > the apply_relocate_add() function in the module loader to write relocations > instead of

[PATCHv3 6/9] Documentation: dt: socfpga: Add Altera Arria10 L2 cache binding

From: Thor Thayer Add the device tree bindings needed to support the Altera L2 cache on the Arria10 chip. Since all the peripherals share IRQs, the IRQ fields are now in the ecc_manager. Signed-off-by: Thor Thayer --- v2 Correct

[PATCHv3 7/9] EDAC, altera: Addition of Arria10 L2 Cache ECC

From: Thor Thayer Addition of the Arria10 L2 Cache ECC handling. Addition of private data structure for Arria10 L2 cache ECC and the probe function for it. The Arria10 ECC device IRQs are in a shared register so the ECC Manager parent/child relationship requires a

Re: [PATCH v5 2/6] module: preserve Elf information for livepatch modules

On Wed, Mar 16, 2016 at 03:47:04PM -0400, Jessica Yu wrote: > For livepatch modules, copy Elf section, symbol, and string information > from the load_info struct in the module loader. Persist copies of the > original symbol table and string table. > > Livepatch manages its own relocation sections

Re: [PATCH v5 6/6] Documentation: livepatch: outline Elf format and requirements for patch modules

On Wed, 16 Mar 2016, Jessica Yu wrote: > Document livepatch module requirements and the special Elf constants patch > modules use. > > Signed-off-by: Jessica Yu Fantastic to have it Acked-by: Miroslav Benes -- To unsubscribe from this list: send the line

Re: [PATCH v5 5/6] samples: livepatch: mark as livepatch module

On Wed, 16 Mar 2016, Jessica Yu wrote: > Mark the module as a livepatch module so that the module loader can > appropriately identify and initialize it. > > Signed-off-by: Jessica Yu Reviewed-by: Miroslav Benes -- To unsubscribe from this list: send the line

Re: [RESEND PATCH V4 1/4] stm class: provision for statically assigned masterIDs

Chunyan Zhang writes: > From: Mathieu Poirier > > Some architecture like ARM assign masterIDs at the HW design > phase. Those are therefore unreachable to users, making masterID > management in the generic STM core irrelevant. > > In this