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[203.221.156.192]) by smtp.gmail.com with ESMTPSA id y16sm12102240pgg.20.2021.01.30.05.10.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 30 Jan 2021 05:10:04 -0800 (PST) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v7 18/42] powerpc/traps: add NOKPROBE_SYMBOL for sreset and mce Date: Sat, 30 Jan 2021 23:08:28 +1000 Message-Id: <20210130130852.2952424-19-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210130130852.2952424-1-npiggin@gmail.com> References: <20210130130852.2952424-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Athira Rajeev , Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" These NMIs could fire any time including inside kprobe code, so exclude them from kprobes. Signed-off-by: Nicholas Piggin --- arch/powerpc/kernel/traps.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index f7370145be19..4349b25807cf 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -517,6 +517,7 @@ void system_reset_exception(struct pt_regs *regs) /* What should we do here? We could issue a shutdown or hard reset. */ } +NOKPROBE_SYMBOL(system_reset_exception); /* * I/O accesses can cause machine checks on powermacs. @@ -843,6 +844,7 @@ void machine_check_exception(struct pt_regs *regs) bail: if (nmi) nmi_exit(); } +NOKPROBE_SYMBOL(machine_check_exception); void SMIException(struct pt_regs *regs) { -- 2.23.0