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Rao" Cc: Christophe Leroy , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, live-patching@vger.kernel.org Subject: [PATCH v1 0/5] Implement livepatch on PPC32 Date: Thu, 28 Oct 2021 14:24:00 +0200 Message-Id: X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1635423843; l=817; s=20211009; h=from:subject:message-id; bh=Kpfi8u6BYe1lB+LwyFewbJpGh40Ydk0cPIy4xtozaU4=; b=f0o8yLCQzjOdho2S2LrY3195nnMIi9FpAKMSzkL2Gm0p8wQjfmelld6x0/1vGqOLSZgLUIiZ9oyk s0Ym1Z0mC4KouO6TCSH6KOCQ42eska6ueLMRxnJXjoQfjyXfnjpM X-Developer-Key: i=christophe.leroy@csgroup.eu; a=ed25519; pk=HIzTzUj91asvincQGOFx6+ZF5AoUuP9GdOtQChs7Mm0= Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series implements livepatch on PPC32. This is largely copied from what's done on PPC64. Christophe Leroy (5): livepatch: Fix build failure on 32 bits processors powerpc/ftrace: No need to read LR from stack in _mcount() powerpc/ftrace: Add module_trampoline_target() for PPC32 powerpc/ftrace: Activate HAVE_DYNAMIC_FTRACE_WITH_REGS on PPC32 powerpc/ftrace: Add support for livepatch to PPC32 arch/powerpc/Kconfig | 2 +- arch/powerpc/include/asm/livepatch.h | 4 +- arch/powerpc/kernel/module_32.c | 33 +++++ arch/powerpc/kernel/trace/ftrace.c | 53 +++----- arch/powerpc/kernel/trace/ftrace_32.S | 187 ++++++++++++++++++++++++-- kernel/livepatch/core.c | 4 +- 6 files changed, 230 insertions(+), 53 deletions(-) -- 2.31.1