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)
43 lines
780 B
C
43 lines
780 B
C
/*
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* Copyright 2015, Michael Neuling, IBM Corp.
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* Licensed under GPLv2.
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*
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* Edited: Rashmica Gupta, Nov 2015
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*
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* This test does a fork syscall inside a transaction. Basic sniff test
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* to see if we can enter the kernel during a transaction.
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*/
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#include <errno.h>
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#include <inttypes.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "utils.h"
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#include "tm.h"
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int test_fork(void)
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{
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SKIP_IF(!have_htm());
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asm __volatile__(
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"tbegin.;"
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"blt 1f; "
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"li 0, 2;" /* fork syscall */
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"sc ;"
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"tend.;"
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"1: ;"
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: : : "memory", "r0");
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/* If we reach here, we've passed. Otherwise we've probably crashed
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* the kernel */
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return 0;
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}
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int main(int argc, char *argv[])
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{
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return test_harness(test_fork, "tm_fork");
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}
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