Revision tags: v6.6.25, v6.6.24, v6.6.23, v6.6.16, v6.6.15, v6.6.14, v6.6.13, v6.6.12, v6.6.11, v6.6.10, v6.6.9, v6.6.8, v6.6.7, v6.6.6, v6.6.5, v6.6.4, v6.6.3, v6.6.2, v6.5.11, v6.6.1, v6.5.10, v6.6, v6.5.9, v6.5.8, v6.5.7, v6.5.6, v6.5.5, v6.5.4, v6.5.3, v6.5.2, v6.1.51, v6.5.1, v6.1.50, v6.5, v6.1.49, v6.1.48, v6.1.46, v6.1.45, v6.1.44, v6.1.43, v6.1.42, v6.1.41, v6.1.40, v6.1.39, v6.1.38, v6.1.37, v6.1.36, v6.4, v6.1.35, v6.1.34, v6.1.33, v6.1.32, v6.1.31, v6.1.30, v6.1.29, v6.1.28, v6.1.27, v6.1.26, v6.3, v6.1.25, v6.1.24, v6.1.23, v6.1.22, v6.1.21, v6.1.20, v6.1.19, v6.1.18, v6.1.17, v6.1.16 |
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f40b0f6c |
| 06-Mar-2023 |
Nathan Lynch <nathanl@linux.ibm.com> |
powerpc/rtas: ensure 8-byte alignment for struct rtas_args
CHRP and PAPR agree: "In order to make an RTAS call, the operating system must construct an argument call buffer aligned on an eight byte b
powerpc/rtas: ensure 8-byte alignment for struct rtas_args
CHRP and PAPR agree: "In order to make an RTAS call, the operating system must construct an argument call buffer aligned on an eight byte boundary in physically contiguous real memory [...]." (7.2.7 Calling Mechanism and Conventions).
struct rtas_args is the type used for this argument call buffer. The unarchitected 'rets' member happens to produce 8-byte alignment for the struct on 64-bit targets in practice. But without an alignment directive the structure will have only 4-byte alignment on 32-bit targets:
$ nm b/{before,after}/chrp32/vmlinux | grep rtas_args c096881c b rtas_args c0968820 b rtas_args
Add an alignment directive to the struct rtas_args declaration so all instances have the alignment required by the specs. rtas-types.h no longer refers to any spinlock types, so drop the spinlock_types.h inclusion while we're here.
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com> Reviewed-by: Andrew Donnellan <ajd@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230220-rtas-queue-for-6-4-v1-1-010e4416f13f@linux.ibm.com
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Revision tags: v6.1.15, v6.1.14, v6.1.13, v6.2, v6.1.12, v6.1.11, v6.1.10, v6.1.9 |
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599af491 |
| 24-Jan-2023 |
Nathan Lynch <nathanl@linux.ibm.com> |
powerpc/rtas: remove lock and args fields from global rtas struct
Only code internal to the RTAS subsystem needs access to the central lock and parameter block. Remove these from the globally visibl
powerpc/rtas: remove lock and args fields from global rtas struct
Only code internal to the RTAS subsystem needs access to the central lock and parameter block. Remove these from the globally visible 'rtas' struct and make them file-static in rtas.c.
Some changed lines in rtas_call() lack appropriate spacing around operators and cause checkpatch errors; fix these as well.
Suggested-by: Laurent Dufour <ldufour@linux.ibm.com> Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com> Reviewed-by: Laurent Dufour <laurent.dufour@fr.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20230124140448.45938-4-nathanl@linux.ibm.com
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Revision tags: v6.1.8, v6.1.7, v6.1.6, v6.1.5, v6.0.19, v6.0.18, v6.1.4, v6.1.3, v6.0.17, v6.1.2, v6.0.16, v6.1.1, v6.0.15, v6.0.14, v6.0.13, v6.1, v6.0.12, v6.0.11, v6.0.10, v5.15.80, v6.0.9, v5.15.79, v6.0.8, v5.15.78, v6.0.7, v5.15.77, v5.15.76, v6.0.6, v6.0.5, v5.15.75, v6.0.4, v6.0.3, v6.0.2, v5.15.74, v5.15.73, v6.0.1, v5.15.72, v6.0, v5.15.71, v5.15.70, v5.15.69, v5.15.68, v5.15.67, v5.15.66, v5.15.65, v5.15.64, v5.15.63, v5.15.62, v5.15.61, v5.15.60, v5.15.59, v5.19, v5.15.58, v5.15.57, v5.15.56, v5.15.55, v5.15.54, v5.15.53, v5.15.52, v5.15.51, v5.15.50, v5.15.49, v5.15.48, v5.15.47, v5.15.46, v5.15.45, v5.15.44, v5.15.43, v5.15.42, v5.18, v5.15.41, v5.15.40, v5.15.39, v5.15.38, v5.15.37, v5.15.36, v5.15.35, v5.15.34, v5.15.33, v5.15.32, v5.15.31, v5.17, v5.15.30, v5.15.29, v5.15.28, v5.15.27, v5.15.26, v5.15.25, v5.15.24, v5.15.23, v5.15.22, v5.15.21, v5.15.20, v5.15.19, v5.15.18, v5.15.17, v5.4.173, v5.15.16, v5.15.15, v5.16, v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10 |
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87b57ea7 |
| 07-Dec-2020 |
Nathan Lynch <nathanl@linux.ibm.com> |
powerpc/rtas: remove unused rtas_suspend_me_data
All code which used this type has been removed.
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id
powerpc/rtas: remove unused rtas_suspend_me_data
All code which used this type has been removed.
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20201207215200.1785968-28-nathanl@linux.ibm.com
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Revision tags: v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42 |
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783a015b |
| 18-May-2020 |
Leonardo Bras <leobras.c@gmail.com> |
powerpc/rtas: Move type/struct definitions from rtas.h into rtas-types.h
In order to get any rtas* struct into other headers, including rtas.h may cause a lot of errors, regarding include dependency
powerpc/rtas: Move type/struct definitions from rtas.h into rtas-types.h
In order to get any rtas* struct into other headers, including rtas.h may cause a lot of errors, regarding include dependency needed for inline functions.
Create rtas-types.h and move there all type/struct definitions from rtas.h, then include rtas-types.h into rtas.h.
Also, as suggested by checkpath.pl, replace uint8_t for u8.
Signed-off-by: Leonardo Bras <leobras.c@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200518234245.200672-2-leobras.c@gmail.com
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Revision tags: v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42 |
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783a015b |
| 18-May-2020 |
Leonardo Bras <leobras.c@gmail.com> |
powerpc/rtas: Move type/struct definitions from rtas.h into rtas-types.h In order to get any rtas* struct into other headers, including rtas.h may cause a lot of errors, regarding includ
powerpc/rtas: Move type/struct definitions from rtas.h into rtas-types.h In order to get any rtas* struct into other headers, including rtas.h may cause a lot of errors, regarding include dependency needed for inline functions. Create rtas-types.h and move there all type/struct definitions from rtas.h, then include rtas-types.h into rtas.h. Also, as suggested by checkpath.pl, replace uint8_t for u8. Signed-off-by: Leonardo Bras <leobras.c@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200518234245.200672-2-leobras.c@gmail.com
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