From: Alexandre Ghiti <alexghiti@rivosinc.com> To: Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Andrea Parri <andrea@rivosinc.com>, Samuel Holland <samuel.holland@sifive.com>, Anup Patel <anup@brainfault.org>, Steven Rostedt <rostedt@goodmis.org>, Masami Hiramatsu <mhiramat@kernel.org>, Mark Rutland <mark.rutland@arm.com>, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Alexandre Ghiti <alexghiti@rivosinc.com> Subject: [PATCH v3 0/2] riscv: fix patching with IPI Date: Thu, 29 Feb 2024 13:10:54 +0100 [thread overview] Message-ID: <20240229121056.203419-1-alexghiti@rivosinc.com> (raw) patch 1 removes a useless memory barrier and patch 2 actually fixes the issue with IPI in the patching code. Changes in v3: - Remove wrong cleanup as noted by Samuel - Enhance comment about usage of release semantics as suggested by Andrea - Add RBs from Andrea Changes in v2: - Add patch 1 and then remove the memory barrier from patch 2 as suggested by Andrea - Convert atomic_inc into an atomic_inc with release semantics as suggested by Andrea Alexandre Ghiti (2): riscv: Remove superfluous smp_mb() riscv: Fix text patching when IPI are used arch/riscv/include/asm/patch.h | 1 + arch/riscv/kernel/ftrace.c | 44 ++++++++++++++++++++++++++++++---- arch/riscv/kernel/patch.c | 17 +++++++++---- 3 files changed, 53 insertions(+), 9 deletions(-) -- 2.39.2
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From: Alexandre Ghiti <alexghiti@rivosinc.com> To: Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Andrea Parri <andrea@rivosinc.com>, Samuel Holland <samuel.holland@sifive.com>, Anup Patel <anup@brainfault.org>, Steven Rostedt <rostedt@goodmis.org>, Masami Hiramatsu <mhiramat@kernel.org>, Mark Rutland <mark.rutland@arm.com>, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Alexandre Ghiti <alexghiti@rivosinc.com> Subject: [PATCH v3 0/2] riscv: fix patching with IPI Date: Thu, 29 Feb 2024 13:10:54 +0100 [thread overview] Message-ID: <20240229121056.203419-1-alexghiti@rivosinc.com> (raw) patch 1 removes a useless memory barrier and patch 2 actually fixes the issue with IPI in the patching code. Changes in v3: - Remove wrong cleanup as noted by Samuel - Enhance comment about usage of release semantics as suggested by Andrea - Add RBs from Andrea Changes in v2: - Add patch 1 and then remove the memory barrier from patch 2 as suggested by Andrea - Convert atomic_inc into an atomic_inc with release semantics as suggested by Andrea Alexandre Ghiti (2): riscv: Remove superfluous smp_mb() riscv: Fix text patching when IPI are used arch/riscv/include/asm/patch.h | 1 + arch/riscv/kernel/ftrace.c | 44 ++++++++++++++++++++++++++++++---- arch/riscv/kernel/patch.c | 17 +++++++++---- 3 files changed, 53 insertions(+), 9 deletions(-) -- 2.39.2 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next reply other threads:[~2024-02-29 12:11 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-02-29 12:10 Alexandre Ghiti [this message] 2024-02-29 12:10 ` [PATCH v3 0/2] riscv: fix patching with IPI Alexandre Ghiti 2024-02-29 12:10 ` [PATCH v3 1/2] riscv: Remove superfluous smp_mb() Alexandre Ghiti 2024-02-29 12:10 ` Alexandre Ghiti 2024-03-04 19:25 ` Conor Dooley 2024-03-04 19:25 ` Conor Dooley 2024-04-17 1:29 ` Palmer Dabbelt 2024-04-17 1:29 ` Palmer Dabbelt 2024-02-29 12:10 ` [PATCH v3 2/2] riscv: Fix text patching when IPI are used Alexandre Ghiti 2024-02-29 12:10 ` Alexandre Ghiti 2024-03-04 19:27 ` Conor Dooley 2024-03-04 19:27 ` Conor Dooley 2024-03-04 20:24 ` Björn Töpel 2024-03-04 20:24 ` Björn Töpel 2024-03-05 3:03 ` Anup Patel 2024-03-05 3:03 ` Anup Patel 2024-03-05 7:59 ` Conor Dooley 2024-03-05 7:59 ` Conor Dooley 2024-03-05 8:21 ` Björn Töpel 2024-03-05 8:21 ` Björn Töpel 2024-04-28 22:00 ` [PATCH v3 0/2] riscv: fix patching with IPI patchwork-bot+linux-riscv 2024-04-28 22:00 ` patchwork-bot+linux-riscv
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