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author | Robert Swiecki <robert@swiecki.net> | 2022-02-18 16:11:20 +0100 |
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committer | Robert Swiecki <robert@swiecki.net> | 2022-02-18 16:12:27 +0100 |
commit | 02458084fec6391c28c8e88cf3d825aa958fe7e6 (patch) | |
tree | cfae3766c02ae25dd8ae690c476be5f6c0f5de3a | |
parent | 8e4cc83eb254be5b49e195119314f89d9aa2e67e (diff) | |
download | nsjail-02458084fec6391c28c8e88cf3d825aa958fe7e6.tar.gz |
contain: call prctl(PR_SET_TSC) under x86/x86-64 only
-rw-r--r-- | contain.cc | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -121,10 +121,16 @@ static bool containCPU(nsjconf_t* nsjconf) { static bool containTSC(nsjconf_t* nsjconf) { if (nsjconf->disable_tsc) { +#if defined(__x86_64__) || defined(__i386__) if (prctl(PR_SET_TSC, PR_TSC_SIGSEGV, 0, 0, 0) == -1) { - PLOG_E("prctl(PR_SET_TSC, PR_TSC_SIGSEGV, 0, 0, 0)"); + PLOG_E("prctl(PR_SET_TSC, PR_TSC_SIGSEGV)"); return false; } +#else /* defined(__x86_64__) || defined(__i386__) */ + LOG_W( + "prctl(PR_SET_TSC, PR_TSC_SIGSEGV) requested, but it's supported under " + "x86/x86-64 CPU architectures only. Ignoring it!"); +#endif /* defined(__x86_64__) || defined(__i386__) */ } return true; } |