do_coredump: Do not take BKL
core_pattern is not actually protected and hasn't been ever since we introduced procfs support for sysctl -- a _long_ time. Don't take it here either. Also nothing inside do_coredump appears to require bkl protection. Signed-off-by: Arnd Bergmann <arnd@arndb.de> [ remove smp_lock.h headers ] Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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@ -28,7 +28,6 @@
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#include <linux/mm.h>
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#include <linux/stat.h>
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#include <linux/fcntl.h>
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#include <linux/smp_lock.h>
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#include <linux/swap.h>
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#include <linux/string.h>
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#include <linux/init.h>
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@ -1891,13 +1890,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
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*/
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clear_thread_flag(TIF_SIGPENDING);
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/*
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* lock_kernel() because format_corename() is controlled by sysctl, which
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* uses lock_kernel()
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*/
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lock_kernel();
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ispipe = format_corename(corename, signr);
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unlock_kernel();
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if (ispipe) {
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int dump_count;
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