mirror of https://github.com/mkerrisk/man-pages
s390_pci_mmio_write.2: srcfix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -57,13 +57,13 @@ bytes size.
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These system calls must be used instead of the simple assignment
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These system calls must be used instead of the simple assignment
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or data transfer operations that are used to access the PCI MMIO
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or data transfer operations that are used to access the PCI MMIO
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memory areas mapped to the user space on the Linux on System z
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memory areas mapped to the user space on the Linux on System z platform.
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platform.
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The address specified by the
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The address specified by the
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.IR mmio_addr
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.IR mmio_addr
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parameter must belong to a PCI MMIO memory page mapping in the user
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parameter must belong to a PCI MMIO memory page mapping in the user
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address space, and the data being written or read must not cross a
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address space, and the data being written or read must not cross a
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page boundary. The
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page boundary.
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The
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.IR length
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.IR length
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parameter value cannot be greater than the page size.
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parameter value cannot be greater than the page size.
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.SH RETURN VALUE
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.SH RETURN VALUE
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@ -91,9 +91,8 @@ Invalid parameter value.
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.SH VERSIONS
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.SH VERSIONS
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These system calls are available since Linux 3.19.
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These system calls are available since Linux 3.19.
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.SH CONFORMING TO
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.SH CONFORMING TO
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This Linux-specific system call is available only on the s390
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This Linux-specific system call is available only on the s390 architecture.
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architecture. The required PCI support is available beginning with
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The required PCI support is available beginning with System z EC12.
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System z EC12.
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.SH NOTES
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.SH NOTES
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Glibc does not provide a wrapper for this system call, use
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Glibc does not provide a wrapper for this system call, use
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.BR syscall (2)
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.BR syscall (2)
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