linux-kernel - Re: [PATCH v2 00/13] Implement livepatch on PPC32 and more

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Date:   Wed, 16 Feb 2022 23:26:07 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Jiri Kosina <jikos@...nel.org>,
        "Naveen N . Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Miroslav Benes <mbenes@...e.cz>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        Petr Mladek <pmladek@...e.com>, Ingo Molnar <mingo@...hat.com>
Cc:     live-patching@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 00/13] Implement livepatch on PPC32 and more

On Mon, 20 Dec 2021 16:37:58 +0000, Christophe Leroy wrote:
> This series implements livepatch on PPC32 and implements
> CONFIG_DYNAMIC_FTRACE_WITH_ARGS to simplify ftracing.
> 
> v2:
> - Fix problem with strict modules RWX
> - Convert powerpc to CONFIG_DYNAMIC_FTRACE_WITH_ARGS
> - Convert function graph tracing to C
> - Refactor PPC32 versus PPC64
> 
> [...]

Patches 1 and 3-13 applied to powerpc/next.

[01/13] livepatch: Fix build failure on 32 bits processors
        https://git.kernel.org/powerpc/c/2f293651eca3eacaeb56747dede31edace7329d2
[03/13] powerpc/module_32: Fix livepatching for RO modules
        https://git.kernel.org/powerpc/c/0c850965d6909d39fd69d6a3602bb62b48cad417
[04/13] powerpc/ftrace: Add support for livepatch to PPC32
        https://git.kernel.org/powerpc/c/a4520b25276500f1abcfc55d24f1251b7b08eff6
[05/13] powerpc/ftrace: Don't save again LR in ftrace_regs_caller() on PPC32
        https://git.kernel.org/powerpc/c/7875bc9b07cde868784195e215f4deaa0fa928a2
[06/13] powerpc/ftrace: Simplify PPC32's return_to_handler()
        https://git.kernel.org/powerpc/c/7bdb478c1d15cfd3a92db6331cb2d3dd3a8b9436
[07/13] powerpc/ftrace: Prepare PPC32's ftrace_caller() for CONFIG_DYNAMIC_FTRACE_WITH_ARGS
        https://git.kernel.org/powerpc/c/d95bf254be5f74c1e4c8f7cb64e2e21b9cc91717
[08/13] powerpc/ftrace: Prepare PPC64's ftrace_caller() for CONFIG_DYNAMIC_FTRACE_WITH_ARGS
        https://git.kernel.org/powerpc/c/c75388a8ceffbf1bf72c61afe66a72e58aa20c74
[09/13] powerpc/ftrace: Implement CONFIG_DYNAMIC_FTRACE_WITH_ARGS
        https://git.kernel.org/powerpc/c/40b035efe288f42bbf4483236cde652584ccb64e
[10/13] powerpc/ftrace: Refactor ftrace_{en/dis}able_ftrace_graph_caller
        https://git.kernel.org/powerpc/c/0c81ed5ed43863d313cf253b0ebada6ea2f17676
[11/13] powerpc/ftrace: directly call of function graph tracer by ftrace caller
        https://git.kernel.org/powerpc/c/830213786c498b0c488fedd2abc15a7ce442b42f
[12/13] powerpc/ftrace: Prepare ftrace_64_mprofile.S for reuse by PPC32
        https://git.kernel.org/powerpc/c/41315494beed087011f256b4f1439bb3d8236904
[13/13] powerpc/ftrace: Remove ftrace_32.S
        https://git.kernel.org/powerpc/c/4ee83a2cfbc46c13f2a08fe6d48dbcede53cdbf8

cheers