mirror of https://github.com/mkerrisk/man-pages
iopl.2: CAP_SYS_RAWIO is required to *raise* the I/O privilege level
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -82,7 +82,8 @@ The calling process has insufficient privilege to call
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.BR iopl ();
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.BR iopl ();
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the
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the
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.B CAP_SYS_RAWIO
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.B CAP_SYS_RAWIO
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capability is required.
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capability is required to raise the I/O privilege level
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above its current value.
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.SH CONFORMING TO
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.SH CONFORMING TO
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.BR iopl ()
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.BR iopl ()
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is Linux-specific and should not be used in programs that are
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is Linux-specific and should not be used in programs that are
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