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authorJan Glauber <jang@linux.vnet.ibm.com>2012-11-29 13:01:15 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-11-30 15:40:48 +0100
commite56e4e87e370a0f121450d52337969aa1be21ff7 (patch)
tree9d1c94149a13454dc1f4b9c7cb2b1de680625ec5 /drivers/virt
parents390/pci: CLP interface (diff)
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s390/bitops: find leftmost bit instruction support
The flogr instruction scans a bitmap starting from the leftmost bit. Implement support for these bitops. This could be useful to scan bitmaps like an interrupt vector set by the hardware starting at the leftmost bit. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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