From: Kienan Stewart <kstewart@efficios.com>
Date: Wed, 22 Jan 2025 15:10:53 +0000 (+0000)
Subject: Fix: uprobe consumer handler signature changed in Linux 6.13.0-rc1
X-Git-Tag: v2.13.17~3
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=1ff0eb56750c2e35560170b33b5ba02685093805;p=lttng-modules.git

Fix: uprobe consumer handler signature changed in Linux 6.13.0-rc1

See upstream commit: da09a9e0c3eab164af950be44ee6bdea8527c3e5

    commit da09a9e0c3eab164af950be44ee6bdea8527c3e5
    Author: Jiri Olsa <jolsa@kernel.org>
    Date:   Fri Oct 18 22:22:51 2024 +0200

        uprobe: Add data pointer to consumer handlers

        Adding data pointer to both entry and exit consumer handlers and all
        its users. The functionality itself is coming in following change.

        Signed-off-by: Jiri Olsa <jolsa@kernel.org>
        Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
        Acked-by: Oleg Nesterov <oleg@redhat.com>
        Acked-by: Andrii Nakryiko <andrii@kernel.org>
        Link: https://lore.kernel.org/r/20241018202252.693462-2-jolsa@kernel.org

Change-Id: I41e1a11a71c1c8a9bda461d96e5d1f9cc20e4df8
Signed-off-by: Kienan Stewart <kstewart@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/src/probes/lttng-uprobes.c b/src/probes/lttng-uprobes.c
index 5be83cdb..a2e29c5d 100644
--- a/src/probes/lttng-uprobes.c
+++ b/src/probes/lttng-uprobes.c
@@ -24,8 +24,13 @@
 #include <wrapper/uprobes.h>
 #include <wrapper/vmalloc.h>
 
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,13,0))
+static
+int lttng_uprobes_event_handler_pre(struct uprobe_consumer *uc, struct pt_regs *regs, __u64 *data)
+#else
 static
 int lttng_uprobes_event_handler_pre(struct uprobe_consumer *uc, struct pt_regs *regs)
+#endif
 {
 	struct lttng_uprobe_handler *uprobe_handler =
 		container_of(uc, struct lttng_uprobe_handler, up_consumer);
@@ -201,11 +206,19 @@ error:
 }
 
 
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,13,0))
+static
+int lttng_uprobes_add_callsite(struct lttng_uprobe *uprobe,
+	struct lttng_kernel_abi_event_callsite __user *callsite,
+	int (*handler)(struct uprobe_consumer *self, struct pt_regs *regs, __u64 *data),
+	void *priv_data)
+#else
 static
 int lttng_uprobes_add_callsite(struct lttng_uprobe *uprobe,
 	struct lttng_kernel_abi_event_callsite __user *callsite,
 	int (*handler)(struct uprobe_consumer *self, struct pt_regs *regs),
 	void *priv_data)
+#endif
 {
 	int ret = 0;
 	struct lttng_uprobe_handler *uprobe_handler;