linux-kernel - linux-next: manual merge of the ftrace tree with Linus' tree

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Message-ID: <20210215150308.52dfc519@canb.auug.org.au>
Date:   Mon, 15 Feb 2021 15:03:08 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: linux-next: manual merge of the ftrace tree with Linus' tree

Hi all,

Today's linux-next merge of the ftrace tree got a conflict in:

  kernel/trace/trace.c

between commit:

  b220c049d519 ("tracing: Check length before giving out the filter buffer")

from Linus' tree and commit:

  36590c50b2d0 ("tracing: Merge irqflags + preempt counter.")

from the ftrace tree.

I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging.  You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.

-- 
Cheers,
Stephen Rothwell

diff --cc kernel/trace/trace.c
index b5815a022ecc,b79bcacdd6f9..000000000000
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@@ -2745,8 -2739,8 +2739,8 @@@ trace_event_buffer_lock_reserve(struct 
  	    (entry = this_cpu_read(trace_buffered_event))) {
  		/* Try to use the per cpu buffer first */
  		val = this_cpu_inc_return(trace_buffered_event_cnt);
 -		if (val == 1) {
 +		if ((len < (PAGE_SIZE - sizeof(*entry))) && val == 1) {
- 			trace_event_setup(entry, type, flags, pc);
+ 			trace_event_setup(entry, type, trace_ctx);
  			entry->array[0] = len;
  			return entry;
  		}

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