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e615bf5b55
linux/drivers/acpi/apei
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Myron Stowe e615bf5b55 ACPI, APEI: Add 64-bit read/write support for APEI on i386 
Base ACPI (CA) currently does not support atomic 64-bit reads and writes
(acpi_read() and acpi_write() split 64-bit loads/stores into two
32-bit transfers) yet APEI expects 64-bit transfer capability, even
when running on 32-bit systems.

This patch implements 64-bit read and write routines for APEI usage.

This patch re-factors similar functionality introduced in commit
04c25997c9, bringing it into the ACPI subsystem in preparation for
removing ./drivers/acpi/atomicio.[ch].  In the implementation I have
replicated acpi_os_read_memory() and acpi_os_write_memory(), creating
64-bit versions for APEI to utilize, as opposed to something more
elegant.  My thinking is that we should attempt to see if we can get
ACPI's CA/OSL changed so that the existing acpi_read() and acpi_write()
interfaces are natively 64-bit capable and then subsequently remove the
replication.

Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-01-21 01:08:17 -05:00
..
apei-base.c ACPI, APEI: Add 64-bit read/write support for APEI on i386 2012-01-21 01:08:17 -05:00
apei-internal.h ACPI APEI: Convert atomicio routines 2012-01-17 04:36:40 -05:00
cper.c ACPI, APEI, Add PCIe AER error information printing support 2011-03-21 22:59:08 -04:00
einj.c Merge branches 'einj', 'intel_idle', 'misc', 'srat' and 'turbostat-ivb' into release 2012-01-18 01:15:54 -05:00
erst-dbg.c ACPI, APEI, ERST, Fix erst-dbg long record reading issue 2011-07-13 23:31:51 -04:00
erst.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-01-18 15:51:48 -08:00
ghes.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-01-18 15:51:48 -08:00
hest.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-01-18 15:51:48 -08:00
Kconfig llist: Make some llist functions inline 2011-10-04 11:30:53 +02:00
Makefile ACPI, APEI, ERST debug support 2010-08-14 22:47:55 -04:00