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Removed author's email address from MODULE_AUTHOR.
Signed-off-by: Peter Oruba <peter.oruba@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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(1) mark mc_size in generic_load_microcode() as unitialized_var to avoid
gcc's (false) warning;
(2) mark request_microcode_user() as unsupported. The required changes
can be added later. Note, we don't break any user-space interfaces
here, as there were no kernels with support for AMD-specific ucode
update yet. The ucode has to be updated via 'firmware'.
Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Renaming based on patch from Dmitry Adamushko.
Further clarification by renaming define and variable related to
microcode container file.
Signed-off-by: Peter Oruba <peter.oruba@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Renaming based on patch from Dmitry Adamushko.
Made code more readable by renaming define and variables related
to microcode _container_file_ header to make it distinguishable from
microcode _patch_ header.
Signed-off-by: Peter Oruba <peter.oruba@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Combine both generic and arch-specific parts of microcode into a
single module (arch-specific parts are config-dependent).
Also while we are at it, move arch-specific parts from microcode.h
into their respective arch-specific .c files.
Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com>
Cc: "Peter Oruba" <peter.oruba@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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based on patch from Dmitry Adamushko.
- add missing vfree()
- update debug printks
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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this is a rework of the microcode splitup in tip/x86/microcode
(1) I think this new interface is cleaner (look at the changes
in 'struct microcode_ops' in microcode.h);
(2) it's -64 lines of code;
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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microcode_amd.c uses ">> 32" on a 32-bit value, so gcc warns about that.
The code could use something like this *untested* patch.
linux-next-20080821/arch/x86/kernel/microcode_amd.c:229: warning: right shift count >= width of type
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This is the 1st patch in the series. Here the aim was to avoid any
significant changes, logically-wise.
So it's mainly about generic interface refactoring: e.g. make
microcode_{intel,amd}.c more about arch-specific details and less
about policies like make-sure-we-run-on-a-target-cpu
(no more set_cpus_allowed_ptr() here) and generic synchronization (no
more microcode_mutex here).
All in all, more line have been deleted than added.
4 files changed, 145 insertions(+), 198 deletions(-)
Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Don't use get_cpu() at all. Resort to checking a boot-up CPU (#0) in
microcode_{intel,amd}_module_init().
Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Peter Oruba <peter.oruba@amd.com>
Cc: Peter Oruba <peter.oruba@amd.com>
Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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heade file
Signed-off-by: Peter Oruba <peter.oruba@amd.com>
Cc: Peter Oruba <peter.oruba@amd.com>
Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Peter Oruba <peter.oruba@amd.com>
Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Conflicts:
arch/x86/kernel/microcode.c
Manual resolutions:
arch/x86/kernel/microcode_amd.c
arch/x86/kernel/microcode_intel.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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fix:
FATAL: modpost: GPL-incompatible module microcode_amd.ko uses GPL-only symbol 'set_cpus_allowed_ptr'
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This patch introduces microcode patch loading for AMD
processors. It is based on previous corresponding work
for Intel processors.
It hooks into the general patch loading module. Main
difference is that a container file format is used to hold
all patch data for multiple processors as well as an
equivalent CPU table, which comes seperately, as opposed
to Intel's microcode patching solution.
Kconfig and Makefile have been changed provice config
and build option for new source file.
Signed-off-by: Peter Oruba <peter.oruba@amd.com>
Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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