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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-09 10:09:06 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-09 10:11:08 +0100 |
| commit | 8a20d84d09ab5d121f989cd99e4fc5f4b49f98ba (patch) | |
| tree | ac0df056602e4be2fd70a89ac033b911667a2fae /include/asm-generic | |
| parent | tracing: trace_bprintk() cleanups (diff) | |
| download | linux-8a20d84d09ab5d121f989cd99e4fc5f4b49f98ba.tar.xz linux-8a20d84d09ab5d121f989cd99e4fc5f4b49f98ba.zip | |
tracing: trace_printk() fix, move format array to data section
Impact: fix kernel crash when using trace_printk()
trace_printk_fmt section is defined into the readonly section.
But we do:
trace_printk_fmt = fmt;
to fill in that table of format strings - which is not read-only.
Under CONFIG_DEBUG_RODATA=y this crashes ...
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <1236356510-8381-5-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 48ade3168b13..d656b4624024 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -98,6 +98,7 @@ VMLINUX_SYMBOL(__stop___tracepoints) = .; \ LIKELY_PROFILE() \ BRANCH_PROFILE() \ + TRACE_PRINTKS() \ FTRACE_EVENTS() #define RO_DATA(align) \ @@ -108,7 +109,6 @@ *(__vermagic) /* Kernel version magic */ \ *(__markers_strings) /* Markers: strings */ \ *(__tracepoints_strings)/* Tracepoints: strings */ \ - TRACE_PRINTKS() \ } \ \ .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \ |