threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
34 lines
715 B
C
34 lines
715 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Tracepoint definitions for s390
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*
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* Copyright IBM Corp. 2015
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* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
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*/
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#include <linux/percpu.h>
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#define CREATE_TRACE_POINTS
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#include <asm/trace/diag.h>
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EXPORT_TRACEPOINT_SYMBOL(s390_diagnose);
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static DEFINE_PER_CPU(unsigned int, diagnose_trace_depth);
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void notrace trace_s390_diagnose_norecursion(int diag_nr)
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{
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unsigned long flags;
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unsigned int *depth;
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/* Avoid lockdep recursion. */
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if (IS_ENABLED(CONFIG_LOCKDEP))
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return;
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local_irq_save(flags);
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depth = this_cpu_ptr(&diagnose_trace_depth);
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if (*depth == 0) {
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(*depth)++;
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trace_s390_diagnose(diag_nr);
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(*depth)--;
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}
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local_irq_restore(flags);
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}
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