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authorTom Hromatka <tom.hromatka@oracle.com>2018-04-26 10:54:08 -0600
committerDavid S. Miller <davem@davemloft.net>2018-06-05 11:24:55 -0700
commit873c38a4249c9204f7b13e782d1ad0d8767aa22a (patch)
treef400e648aa7da5f5e0654b00fcf6be16603a597e /tools/testing/selftests/Makefile
parentMerge tag 'errseq-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux (diff)
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char: sparc64: Add privileged ADI driver
SPARC M7 and newer processors utilize ADI to version and protect memory. This driver is capable of reading/writing ADI/MCD versions from privileged user space processes. Addresses in the adi file are mapped linearly to physical memory at a ratio of 1:adi_blksz. Thus, a read (or write) of offset K in the file operates upon the ADI version at physical address K * adi_blksz. The version information is encoded as one version per byte. Intended consumers are makedumpfile and crash. Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com> Reviewed-by: Khalid Aziz <khalid.aziz@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Reviewed-by: Anthony Yznaga <anthony.yznaga@oracle.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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