[PATCH] selftests: powerpc: Add header symlinks for building papr character device tests

From: root Without the headers the tests don't build. Fixes: 9118c5d32bdd ("powerpc/selftests: Add test for papr-vpd") Fixes: 76b2ec3faeaa ("powerpc/selftests: Add test for papr-sysparm") Signed-off-by: Michal Suchanek --- tools/testing/selftests/powerpc/include/as

[PATCH RFC] powerpc/rtas: Make it possible to disable sys_rtas

it possible to run older versions of userspace tools that don't support other interfaces. Signed-off-by: Michal Suchanek --- arch/powerpc/kernel/rtas.c | 2 ++ arch/powerpc/platforms/Kconfig | 9 + 2 files changed, 11 insertions(+) diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc

[PATCH] kbuild: dummy-tools: -mprofile-kernel is not limited to little endian

Fixes: aec0ba7472a7 ("powerpc/64: Use -mprofile-kernel for big endian ELFv2 kernels") Signed-off-by: Michal Suchanek --- scripts/dummy-tools/gcc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/dummy-tools/gcc b/scripts/dummy-tools/gcc index 1db1889f6d81..eb

[PATCH] powerpc: Move DMA64_PROPNAME define to a header

Avoid redefining the same value in multiple source. Signed-off-by: Michal Suchanek --- arch/powerpc/include/asm/iommu.h | 3 +++ arch/powerpc/kexec/file_load_64.c | 5 + arch/powerpc/platforms/pseries/iommu.c | 2 -- 3 files changed, 4 insertions(+), 6 deletions(-) diff --git

[PATCH v3] of: Make of framebuffer devices unique

-dev@lists.ozlabs.org References: https://bugzilla.kernel.org/show_bug.cgi?id=216095 Fixes: 52b1b46c39ae ("of: Create platform devices for OF framebuffers") Reported-by: Erhard F. Suggested-by: Thomas Zimmermann Signed-off-by: Michal Suchanek --- v3: - merge fix into original patc

[PATCH v2] of: Fix of platform build on powerpc due to bad of disaply code

681d6a23a1 ("of: Make of framebuffer devices unique") Signed-off-by: Michal Suchanek --- v2: Update the device name format --- drivers/of/platform.c | 12 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/of/platform.c b/drivers/of/platform.c index f2a5d679a324.

[PATCH] of: Fix of platform build on powerpc due to bad of disaply code

The commit 2d681d6a23a1 ("of: Make of framebuffer devices unique") breaks build because of wrong argument to snprintf. That certainly avoids the runtime error but is not the intended outcome. Fixes: 2d681d6a23a1 ("of: Make of framebuffer devices unique") Signed-off

[PATCH] of: Make of framebuffer devices unique

-dev@lists.ozlabs.org References: https://bugzilla.kernel.org/show_bug.cgi?id=216095 Fixes: 52b1b46c39ae ("of: Create platform devices for OF framebuffers") Reported-by: Erhard F. Suggested-by: Thomas Zimmermann Signed-off-by: Michal Suchanek --- drivers/of/platform.c | 8 +++- 1 fi

[PATCH 5.15 3/6] kexec: drop weak attribute from functions

nk: https://lkml.kernel.org/r/c0f6219e03cb399d166d518ab505095218a902dd.1656659357.git.naveen.n@linux.vnet.ibm.com Signed-off-by: Naveen N. Rao Suggested-by: Eric Biederman Signed-off-by: Andrew Morton Signed-off-by: Mimi Zohar Signed-off-by: Michal Suchanek --- arch/arm64/include/asm/kexe

[PATCH 5.15 2/6] kexec_file: drop weak attribute from functions

6bb6ca38e3283c717878388ed6788.1656659357.git.naveen.n@linux.vnet.ibm.com Signed-off-by: Naveen N. Rao Suggested-by: Eric Biederman Signed-off-by: Andrew Morton Signed-off-by: Mimi Zohar Signed-off-by: Michal Suchanek --- arch/arm64/include/asm/kexec.h | 4 ++- arch/powerpc/include/asm/kex

[PATCH 5.15 0/6] arm64: kexec_file: use more system keyrings to verify kernel image signature + dependencies

Hello, this is backport of commit 0d519cadf751 ("arm64: kexec_file: use more system keyrings to verify kernel image signature") to table 5.15 tree including the preparatory patches. Some patches needed minor adjustment for context. Thanks Michal Coiby Xu (3): kexec: clean up

[PATCH v5 0/6] KEXEC_SIG with appended signature

Michal Suchanek (6): s390/kexec_file: Don't opencode appended signature check. powerpc/kexec_file: Add KEXEC_SIG support. kexec_file: Don't opencode appended signature verification. module: strip the signature marker in the verification function. module: Use key_being_used_for for log

[PATCH v5 6/6] module: Move duplicate mod_check_sig users code to mod_parse_sig

-by: Michal Suchanek --- v3: - Philipp Rudo : Update the commit with note about change of raturn value - Preserve the EBADMSG error code while moving code araound v4: - remove unused variable ms in module_signing.c - note about buffer length v5: - also change the functions

[PATCH v5 1/6] s390/kexec_file: Don't opencode appended signature check.

Module verification already implements appeded signature check. Reuse it for kexec_file. The kexec_file implementation uses EKEYREJECTED error in some cases when there is no key and the common implementation uses ENOPKG or EBADMSG instead. Signed-off-by: Michal Suchanek Acked-by: Heiko

[PATCH v5 2/6] powerpc/kexec_file: Add KEXEC_SIG support.

Copy the code from s390x Both powerpc and s390x use appended signature format (as opposed to EFI based patforms using PE format). Signed-off-by: Michal Suchanek --- v3: - Philipp Rudo : Update the comit message with explanation why the s390 code is usable on powerpc. - Include correct

[PATCH v5 3/6] kexec_file: Don't opencode appended signature verification.

Module verification already implements appeded signature verification. Reuse it for kexec_file. Signed-off-by: Michal Suchanek --- v3: - Philipp Rudo : Update the dependency on MODULE_SIG_FORMAT to MODULE_SIG - Include linux/verification.h - previously added in earlier patch v4

[PATCH v5 5/6] module: Use key_being_used_for for log messages in verify_appended_signature

Add value for kexec appended signature and pass in key_being_used_for enum rather than a string to verify_appended_signature to produce log messages about the signature. Signed-off-by: Michal Suchanek --- arch/powerpc/kexec/elf_64.c | 2 +- arch/s390/kernel/machine_kexec_file.c

[PATCH v5 4/6] module: strip the signature marker in the verification function.

It is stripped by each caller separately. Note: this changes the error for kexec_file from EKEYREJECTED to ENODATA when the signature marker is missing. Signed-off-by: Michal Suchanek --- v3: - Philipp Rudo : Update the commit with note about change of raturn value

[PATCH v4 6/6] module: Move duplicate mod_check_sig users code to mod_parse_sig

. This also changes the buffer length in ima_read_modsig from size_t to unsigned long. This reduces the possible value range on 32bit but the length refers to kernel in-memory buffer which cannot be longer than ULONG_MAX. Signed-off-by: Michal Suchanek --- v3: - Philipp Rudo : Update the commit

[PATCH v4 5/6] module: Use key_being_used_for for log messages in verify_appended_signature

Add value for kexec appended signature and pass in key_being_used_for enum rather than a string to verify_appended_signature to produce log messages about the signature. Signed-off-by: Michal Suchanek --- arch/powerpc/kexec/elf_64.c | 2 +- arch/s390/kernel/machine_kexec_file.c

[PATCH v4 4/6] module: strip the signature marker in the verification function.

It is stripped by each caller separately. Note: this changes the error for kexec_file from EKEYREJECTED to ENODATA when the signature marker is missing. Signed-off-by: Michal Suchanek --- v3: - Philipp Rudo : Update the commit with note about change of raturn value

[PATCH v4 2/6] powerpc/kexec_file: Add KEXEC_SIG support.

Copy the code from s390x Both powerpc and s390x use appended signature format (as opposed to EFI based patforms using PE format). Signed-off-by: Michal Suchanek --- v3: - Philipp Rudo : Update the comit message with explanation why the s390 code is usable on powerpc. - Include correct

[PATCH v4 3/6] kexec_file: Don't opencode appended signature verification.

Module verification already implements appeded signature verification. Reuse it for kexec_file. Signed-off-by: Michal Suchanek --- v3: - Philipp Rudo : Update the dependency on MODULE_SIG_FORMAT to MODULE_SIG - Include linux/verification.h - previously added in earlier patch v4

[PATCH v4 1/6] s390/kexec_file: Don't opencode appended signature check.

Module verification already implements appeded signature check. Reuse it for kexec_file. The kexec_file implementation uses EKEYREJECTED error in some cases when there is no key and the common implementation uses ENOPKG or EBADMSG instead. Signed-off-by: Michal Suchanek Acked-by: Heiko

[PATCH v4 0/6] KEXEC_SIG with appended signature

Michal Suchanek (6): s390/kexec_file: Don't opencode appended signature check. powerpc/kexec_file: Add KEXEC_SIG support. kexec_file: Don't opencode appended signature verification. module: strip the signature marker in the verification function. module: Use key_being_used_for for log

[PATCH v3 6/6] module: Move duplicate mod_check_sig users code to mod_parse_sig

is missing. Signed-off-by: Michal Suchanek --- v3: - Philipp Rudo : Update the commit with note about change of raturn value - Preserve the EBADMSG error code while moving code araound --- include/linux/module_signature.h| 1 + kernel/module_signature.c | 56

[PATCH v3 5/6] module: Use key_being_used_for for log messages in verify_appended_signature

Add value for kexec appended signature and pass in key_being_used_for enum rather than a string to verify_appended_signature to produce log messages about the signature. Signed-off-by: Michal Suchanek --- arch/powerpc/kexec/elf_64.c | 2 +- arch/s390/kernel/machine_kexec_file.c

[PATCH v3 4/6] module: strip the signature marker in the verification function.

It is stripped by each caller separately. Note: this changes the error for kexec_file from EKEYREJECTED to ENODATA when the signature marker is missing. Signed-off-by: Michal Suchanek --- v3: - Philipp Rudo : Update the commit with note about change of raturn value

[PATCH v3 3/6] kexec_file: Don't opencode appended signature verification.

Module verification already implements appeded signature verification. Reuse it for kexec_file. Signed-off-by: Michal Suchanek --- v3: - Philipp Rudo : Update the dependency on MODULE_SIG_FORMAT to MODULE_SIG - Include linux/verification.h - previously added in earlier patch --- arch

[PATCH v3 2/6] powerpc/kexec_file: Add KEXEC_SIG support.

Copy the code from s390x Both powerpc and s390x use appended signature format (as opposed to EFI based patforms using PE format). Signed-off-by: Michal Suchanek --- v3: - Philipp Rudo : Update the comit message with explanation why the s390 code is usable on powerpc. - Include correct

[PATCH v3 1/6] s390/kexec_file: Don't opencode appended signature check.

Module verification already implements appeded signature check. Reuse it for kexec_file. Note: the kexec_file implementation uses EKEYREJECTED error in some cases when there is no key and the common implementation uses ENOPKG or EBADMSG instead. Signed-off-by: Michal Suchanek Acked-by: Heiko

[PATCH v3 0/6] KEXEC_SIG with appended signature

Michal Suchanek (6): s390/kexec_file: Don't opencode appended signature check. powerpc/kexec_file: Add KEXEC_SIG support. kexec_file: Don't opencode appended signature verification. module: strip the signature marker in the verification function. module: Use key_being_used_for for log

[PATCH v2 6/6] module: Move duplicate mod_check_sig users code to mod_parse_sig

Multiple users of mod_check_sig check for the marker, then call mod_check_sig, extract signature length, and remove the signature. Put this code in one place together with mod_check_sig. Signed-off-by: Michal Suchanek --- include/linux/module_signature.h| 1 + kernel/module_signature.c

[PATCH v2 2/6] powerpc/kexec_file: Add KEXEC_SIG support.

Copy the code from s390x Signed-off-by: Michal Suchanek --- arch/powerpc/Kconfig| 11 +++ arch/powerpc/kexec/elf_64.c | 36 2 files changed, 47 insertions(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index ac0c515552fd

[PATCH v2 4/6] module: strip the signature marker in the verification function.

It is stripped by each caller separately. Signed-off-by: Michal Suchanek --- arch/powerpc/kexec/elf_64.c | 9 - arch/s390/kernel/machine_kexec_file.c | 9 - kernel/module.c | 7 +-- kernel/module_signing.c | 12 ++-- 4

[PATCH v2 5/6] module: Use key_being_used_for for log messages in verify_appended_signature

Add value for kexec appended signature and pass in key_being_used_for enum rather than a string to verify_appended_signature to produce log messages about the signature. Signed-off-by: Michal Suchanek --- arch/powerpc/kexec/elf_64.c | 2 +- arch/s390/kernel/machine_kexec_file.c

[PATCH v2 3/6] kexec_file: Don't opencode appended signature verification.

Module verification already implements appeded signature verification. Reuse it for kexec_file. Signed-off-by: Michal Suchanek --- arch/powerpc/kexec/elf_64.c | 21 - arch/s390/kernel/machine_kexec_file.c | 21 - include/linux/verification.h

[PATCH v2 1/6] s390/kexec_file: Don't opencode appended signature check.

Module verification already implements appeded signature check. Reuse it for kexec_file. Signed-off-by: Michal Suchanek --- arch/s390/kernel/machine_kexec_file.c | 22 +- 1 file changed, 5 insertions(+), 17 deletions(-) diff --git a/arch/s390/kernel/machine_kexec_file.c b

[PATCH v2 0/6] KEXEC_SIG with appended signature

any review on that part so I don't know if it's desirable as implemented. The first two patches can be applied separately without the rest. Thanks Michal Michal Suchanek (6): s390/kexec_file: Don't opencode appended signature check. powerpc/kexec_file: Add KEXEC_SIG support. kexec_file

[PATCH 2/2] module: Move duplicate mod_check_sig users code to mod_parse_sig

Multiple users of mod_check_sig check for the marker, then call mod_check_sig, extract signature length, and remove the signature. Put this code in one place together with mod_check_sig. Signed-off-by: Michal Suchanek --- include/linux/module_signature.h| 1 + kernel/module_signature.c

[PATCH 0/2] Additional appended signature cleanup

There is one more copy of the code checking appended signarutes. Merge the common code to module_signature.c Thanks Michal Michal Suchanek (2): module: Use key_being_used_for for log messages in verify_appended_signature module: Move duplicate mod_check_sig users code to mod_parse_sig

[PATCH 1/2] module: Use key_being_used_for for log messages in verify_appended_signature

Add value for kexec appended signature and pass in key_being_used_for enum rather than a string to verify_appended_signature to produce log messages about the signature. Signed-off-by: Michal Suchanek --- arch/powerpc/kexec/elf_64.c | 2 +- arch/s390/kernel/machine_kexec_file.c

[PATCH 2/3] module: strip the signature marker in the verification function.

It is stripped by each caller separately. Signed-off-by: Michal Suchanek --- arch/s390/kernel/machine_kexec_file.c | 9 - kernel/module.c | 7 +-- kernel/module_signing.c | 12 ++-- 3 files changed, 11 insertions(+), 17 deletions

[PATCH 1/3] s390/kexec_file: Don't opencode appended signature verification.

Module verification already implements appeded signature verification. Reuse it for kexec_file. Signed-off-by: Michal Suchanek --- arch/s390/kernel/machine_kexec_file.c | 33 --- include/linux/verification.h | 3 +++ kernel/module-internal.h | 2

[PATCH 3/3] powerpc/kexec_file: Add KEXEC_SIG support.

Use the module verifier for the kernel image verification. Signed-off-by: Michal Suchanek --- arch/powerpc/Kconfig| 11 +++ arch/powerpc/kexec/elf_64.c | 14 ++ 2 files changed, 25 insertions(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index

[PATCH 0/3] KEXEC_SIG with appended signature

Michal Michal Suchanek (3): s390/kexec_file: Don't opencode appended signature verification. module: strip the signature marker in the verification function. powerpc/kexec_file: Add KEXEC_SIG support. arch/powerpc/Kconfig | 11 +++ arch/powerpc/kexec/elf_64.c | 14

[PATCH] powerpc/stacktrace: Include linux/delay.h

Fixes: 7c6986ade69e ("powerpc/stacktrace: Fix spurious "stale" traces in raise_backtrace_ipi()") Signed-off-by: Michal Suchanek --- V2: Add header in alphabetical order. --- arch/powerpc/kernel/stacktrace.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/k

[PATCH] powerpc/stacktrace: Include linux/delay.h

Fixes: 7c6986ade69e ("powerpc/stacktrace: Fix spurious "stale" traces in raise_backtrace_ipi()") Signed-off-by: Michal Suchanek --- arch/powerpc/kernel/stacktrace.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stack

[PATCH v2 net-next resend] ibmvnic: remove default label from to_string switch

] switch (state) { ^~ drivers/net/ethernet/ibm/ibmvnic.c: In function 'reset_reason_to_string': drivers/net/ethernet/ibm/ibmvnic.c:1935:2: warning: enumeration value 'VNIC_RESET_FOOBAR' not handled in switch [-Wswitch] switch (reason) { ^~ Signed-off-by: Michal Suchanek Acked

[PATCH v2 net-next resend] ibmvnic: remove default label from to_string switch

] switch (state) { ^~ drivers/net/ethernet/ibm/ibmvnic.c: In function 'reset_reason_to_string': drivers/net/ethernet/ibm/ibmvnic.c:1935:2: warning: enumeration value 'VNIC_RESET_FOOBAR' not handled in switch [-Wswitch] switch (reason) { ^~ Signed-off-by: Michal Suchanek Acked

[PATCH v2 net-next] ibmvnic: remove default label from to_string switch

] switch (state) { ^~ drivers/net/ethernet/ibm/ibmvnic.c: In function 'reset_reason_to_string': drivers/net/ethernet/ibm/ibmvnic.c:1935:2: warning: enumeration value 'VNIC_RESET_FOOBAR' not handled in switch [-Wswitch] switch (reason) { ^~ Signed-off-by: Michal Suchanek --- v2: Fix

[PATCH] ibmvnic: remove default label from to_string switch

] switch (state) { ^~ drivers/net/ethernet/ibm/ibmvnic.c: In function 'reset_reason_to_string': drivers/net/ethernet/ibm/ibmvnic.c:1935:2: warning: enumeration value 'VNIC_RESET_FOOBAR' not handled in switch [-Wswitch] switch (reason) { ^~ Signed-off-by: Michal Suchanek --- drivers

[PATCH] powerpc: Don't opencode HAVE_EFFICIENT_UNALIGNED_ACCESS

purpose of enabling DCACHE_WORD_ACCESS and the second opencodes it, and differently at that. Fixes: a75c380c7129 ("powerpc: Enable DCACHE_WORD_ACCESS on ppc64le") Fixes: 8a18cc0c2c36 ("powerpc: Only disable HAVE_EFFICIENT_UNALIGNED_ACCESS on POWER7 little endian") Signed-off-by: Michal

[PATCH] ibmvnic: Fix possibly uninitialized old_num_tx_queues variable warning.

. Fixes: 635e442f4a48 ("ibmvnic: merge ibmvnic_reset_init and ibmvnic_init") Signed-off-by: Michal Suchanek --- drivers/net/ethernet/ibm/ibmvnic.c | 8 +++- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/i

[PATCH] powerpc: Fix build error in paravirt.h

by chance in mainline. Fixes: ca3f969dcb11 ("powerpc/paravirt: Use is_kvm_guest() in vcpu_is_preempted()") Signed-off-by: Michal Suchanek --- arch/powerpc/include/asm/paravirt.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/include/asm/paravirt.h b/arch/powerpc/i

[PATCH] powerpc: Stop exporting __clear_user which is now inlined.

Stable commit 452e2a83ea23 ("powerpc: Fix __clear_user() with KUAP enabled") redefines __clear_user as inline function but does not remove the export. Fixes: 452e2a83ea23 ("powerpc: Fix __clear_user() with KUAP enabled") Signed-off-by: Michal Suchanek --- arch/powerpc/lib/

[PATCH] ibmveth: Fix use of ibmveth in a bridge.

: 6f2275433a2f ("ibmveth: Detect unsupported packets before sending to the hypervisor") Signed-off-by: Michal Suchanek --- ms: added commit message --- drivers/net/ethernet/ibm/ibmveth.c | 6 -- 1 file changed, 6 deletions(-) diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/et

[PATCH] Revert "powerpc/64s: machine check interrupt update NMI accounting"

Fixes: 116ac378bb3f ("powerpc/64s: machine check interrupt update NMI accounting") Signed-off-by: Michal Suchanek --- arch/powerpc/kernel/mce.c | 7 --- arch/powerpc/kernel/traps.c | 18 +++--- 2 files changed, 3 insertions(+), 22 deletions(-) diff --git a/arch/powe

[PATCH] powerpcs: perf: consolidate perf_callchain_user_64 and perf_callchain_user_32

perf_callchain_user_64 and perf_callchain_user_32 are nearly identical. Consolidate into one function with thin wrappers. Suggested-by: Nicholas Piggin Signed-off-by: Michal Suchanek --- arch/powerpc/perf/callchain.h| 24 +++- arch/powerpc/perf/callchain_32.c | 21

[PATCH] powerpc/64: Fix section mismatch warnings.

start_here_common lacks a __init annotation or the annotation of start_kernel is wrong. Signed-off-by: Michal Suchanek --- arch/powerpc/kernel/head_64.S | 4 1 file changed, 4 insertions(+) diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index ad79fddb974d

[PATCH v12 8/8] MAINTAINERS: perf: Add pattern that matches ppc perf to the perf entry.

While at it also simplify the existing perf patterns. Signed-off-by: Michal Suchanek --- v10: new patch V12: remove redundant entries --- MAINTAINERS | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index e1a99197fb34..578429d0 100644

[PATCH v12 7/8] powerpc/perf: split callchain.c by bitness

Building callchain.c with !COMPAT proved quite ugly with all the defines. Splitting out the 32bit and 64bit parts looks better. No code change intended. Signed-off-by: Michal Suchanek --- v6: - move current_is_64bit consolidetaion to earlier patch - move defines to the top of callchain_32.c

[PATCH v12 6/8] powerpc/64: Make COMPAT user-selectable disabled on littleendian by default.

On bigendian ppc64 it is common to have 32bit legacy binaries but much less so on littleendian. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- v3: make configurable --- arch/powerpc/Kconfig | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc

[PATCH v12 5/8] powerpc/64: make buildable without CONFIG_COMPAT

There are numerous references to 32bit functions in generic and 64bit code so ifdef them out. Signed-off-by: Michal Suchanek --- v2: - fix 32bit ifdef condition in signal.c - simplify the compat ifdef condition in vdso.c - 64bit is redundant - simplify the compat ifdef condition in callchain.c

[PATCH v12 4/8] powerpc/perf: consolidate valid_user_sp -> invalid_user_sp

the valid 32bit area on 64bit: #define TASK_SIZE_USER32 (0x0001UL - (1 * PAGE_SIZE)) #define STACK_TOP_USER32 TASK_SIZE_USER32 Change return value to bool. It is inverted by users anyway. Change to invalid_user_sp to avoid inverting the return value twice. Signed-off-by: Michal Suchanek

[PATCH v12 3/8] powerpc/perf: consolidate read_user_stack_32

There are two almost identical copies for 32bit and 64bit. The function is used only in 32bit code which will be split out in next patch so consolidate to one function. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- v6: new patch v8: move the consolidated function out

[PATCH v12 2/8] powerpc: move common register copy functions from signal_32.c to signal.c

These functions are required for 64bit as well. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- arch/powerpc/kernel/signal.c| 141 arch/powerpc/kernel/signal_32.c | 140 --- 2 files changed, 141 insertions

[PATCH v12 0/8] Disable compat cruft on ppc64le v12

in v10: - rebase, sent together with the syscall cleanup Changes in v11: - rebase - add MAINTAINERS pattern for ppc perf Changes in v12: - simplify valid_user_sp and change to invalid_user_sp - remove superfluous perf patterns in MAINTAINERS Michal Suchanek (8): powerpc: Add back

[PATCH v12 1/8] powerpc: Add back __ARCH_WANT_SYS_LLSEEK macro

interface unconditionally. Link: https://lore.kernel.org/lkml/20190828151552.ga16...@infradead.org/ Link: https://lore.kernel.org/lkml/20190829214319.498c7de2@naga/ Signed-off-by: Michal Suchanek Reviewed-by: Arnd Bergmann --- v7: new patch --- arch/powerpc/include/asm/unistd.h | 1 + fs/re

[PATCH v11 8/8] MAINTAINERS: perf: Add pattern that matches ppc perf to the perf entry.

Signed-off-by: Michal Suchanek --- v10: new patch --- MAINTAINERS | 2 ++ 1 file changed, 2 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index bc8dbe4fe4c9..329bf4a31412 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13088,6 +13088,8 @@ F: arch/*/kernel/*/perf_event*.c F: arch

[PATCH v11 7/8] powerpc/perf: split callchain.c by bitness

Building callchain.c with !COMPAT proved quite ugly with all the defines. Splitting out the 32bit and 64bit parts looks better. No code change intended. Signed-off-by: Michal Suchanek --- v6: - move current_is_64bit consolidetaion to earlier patch - move defines to the top of callchain_32.c

[PATCH v11 6/8] powerpc/64: Make COMPAT user-selectable disabled on littleendian by default.

On bigendian ppc64 it is common to have 32bit legacy binaries but much less so on littleendian. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- v3: make configurable --- arch/powerpc/Kconfig | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc

[PATCH v11 5/8] powerpc/64: make buildable without CONFIG_COMPAT

There are numerous references to 32bit functions in generic and 64bit code so ifdef them out. Signed-off-by: Michal Suchanek --- v2: - fix 32bit ifdef condition in signal.c - simplify the compat ifdef condition in vdso.c - 64bit is redundant - simplify the compat ifdef condition in callchain.c

[PATCH v11 3/8] powerpc/perf: consolidate read_user_stack_32

There are two almost identical copies for 32bit and 64bit. The function is used only in 32bit code which will be split out in next patch so consolidate to one function. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- v6: new patch v8: move the consolidated function out

[PATCH v11 4/8] powerpc/perf: consolidate valid_user_sp

the valid 32bit area on 64bit: #define TASK_SIZE_USER32 (0x0001UL - (1 * PAGE_SIZE)) #define STACK_TOP_USER32 TASK_SIZE_USER32 Signed-off-by: Michal Suchanek --- v8: new patch v11: simplify by using is_32bit_task() --- arch/powerpc/perf/callchain.c | 27 +++ 1

[PATCH v11 2/8] powerpc: move common register copy functions from signal_32.c to signal.c

These functions are required for 64bit as well. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- arch/powerpc/kernel/signal.c| 141 arch/powerpc/kernel/signal_32.c | 140 --- 2 files changed, 141 insertions

[PATCH v11 1/8] powerpc: Add back __ARCH_WANT_SYS_LLSEEK macro

interface unconditionally. Link: https://lore.kernel.org/lkml/20190828151552.ga16...@infradead.org/ Link: https://lore.kernel.org/lkml/20190829214319.498c7de2@naga/ Signed-off-by: Michal Suchanek Reviewed-by: Arnd Bergmann --- v7: new patch --- arch/powerpc/include/asm/unistd.h | 1 + fs/re

[PATCH v11 0/8] Disable compat cruft on ppc64le v11

in v10: - rebase, sent together with the syscall cleanup Changes in v11: - rebase - add MAINTAINERS pattern for ppc perf Michal Suchanek (8): powerpc: Add back __ARCH_WANT_SYS_LLSEEK macro powerpc: move common register copy functions from signal_32.c to signal.c powerpc/perf: consolidate

[PATCH v11 7/8] powerpc/perf: split callchain.c by bitness

Building callchain.c with !COMPAT proved quite ugly with all the defines. Splitting out the 32bit and 64bit parts looks better. No code change intended. Signed-off-by: Michal Suchanek --- v6: - move current_is_64bit consolidetaion to earlier patch - move defines to the top of callchain_32.c

[PATCH v11 8/8] MAINTAINERS: perf: Add pattern that matches ppc perf to the perf entry.

Signed-off-by: Michal Suchanek --- v10: new patch --- MAINTAINERS | 2 ++ 1 file changed, 2 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index bc8dbe4fe4c9..329bf4a31412 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13088,6 +13088,8 @@ F: arch/*/kernel/*/perf_event*.c F: arch

[PATCH v11 6/8] powerpc/64: Make COMPAT user-selectable disabled on littleendian by default.

On bigendian ppc64 it is common to have 32bit legacy binaries but much less so on littleendian. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- v3: make configurable --- arch/powerpc/Kconfig | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc

[PATCH v11 4/8] powerpc/perf: consolidate valid_user_sp

the valid 32bit area on 64bit: #define TASK_SIZE_USER32 (0x0001UL - (1 * PAGE_SIZE)) #define STACK_TOP_USER32 TASK_SIZE_USER32 Signed-off-by: Michal Suchanek --- v8: new patch v11: simplify by using is_32bit_task() --- arch/powerpc/perf/callchain.c | 27 +++ 1

[PATCH v11 5/8] powerpc/64: make buildable without CONFIG_COMPAT

There are numerous references to 32bit functions in generic and 64bit code so ifdef them out. Signed-off-by: Michal Suchanek --- v2: - fix 32bit ifdef condition in signal.c - simplify the compat ifdef condition in vdso.c - 64bit is redundant - simplify the compat ifdef condition in callchain.c

[PATCH v11 3/8] powerpc/perf: consolidate read_user_stack_32

There are two almost identical copies for 32bit and 64bit. The function is used only in 32bit code which will be split out in next patch so consolidate to one function. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- v6: new patch v8: move the consolidated function out

[PATCH v11 2/8] powerpc: move common register copy functions from signal_32.c to signal.c

These functions are required for 64bit as well. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- arch/powerpc/kernel/signal.c| 141 arch/powerpc/kernel/signal_32.c | 140 --- 2 files changed, 141 insertions

[PATCH v11 0/8] Disable compat cruft on ppc64le v11

in v10: - rebase, sent together with the syscall cleanup Changes in v11: - rebase - add MAINTAINERS pattern for ppc perf Michal Suchanek (8): powerpc: Add back __ARCH_WANT_SYS_LLSEEK macro powerpc: move common register copy functions from signal_32.c to signal.c powerpc/perf: consolidate

[PATCH v11 1/8] powerpc: Add back __ARCH_WANT_SYS_LLSEEK macro

interface unconditionally. Link: https://lore.kernel.org/lkml/20190828151552.ga16...@infradead.org/ Link: https://lore.kernel.org/lkml/20190829214319.498c7de2@naga/ Signed-off-by: Michal Suchanek Reviewed-by: Arnd Bergmann --- v7: new patch --- arch/powerpc/include/asm/unistd.h | 1 + fs/re

[PATCH rebased 2/2] powerpc: avoid adjusting memory_limit for capture kernel memory reservation

water. So, avoid adjusting memory_limit and error out instead. Signed-off-by: Hari Bathini Reviewed-by: Michal Suchanek --- arch/powerpc/kernel/fadump.c | 16 arch/powerpc/kexec/core.c| 22 +++--- 2 files changed, 11 insertions(+), 27 deletions(-) diff

[PATCH rebased 1/2] powerpc: reserve memory for capture kernel after hugepages init

From: Hari Bathini Sometimes, memory reservation for KDump/FADump can overlap with memory marked for hugepages. This overlap leads to error, hang in KDump case and copy error reported by f/w in case of FADump, while trying to capture dump. Report error while setting up memory for the capture

[PATCH v2] powerpc: drmem: avoid NULL pointer dereference when drmem is unavailable

in the crash is prevented. Fixes: 6c6ea53725b3 ("powerpc/mm: Separate ibm, dynamic-memory data from DT format") Cc: Michal Suchanek Cc: sta...@vger.kernel.org Signed-off-by: Libor Pechacek Signed-off-by: Michal Suchanek --- v2: rename last_lmb -> limit, clarify error condition. --- arch

[PATCH] powerpc: add link stack flush mitigation status in debugfs.

The link stack flush status is not visible in debugfs. It can be enabled even when count cache flush is disabled. Add separate file for its status. Signed-off-by: Michal Suchanek --- arch/powerpc/kernel/security.c | 12 1 file changed, 12 insertions(+) diff --git a/arch/powerpc

[PATCH v2 rebase 34/34] MAINTAINERS: perf: Add pattern that matches ppc perf to the perf entry.

Signed-off-by: Michal Suchanek --- MAINTAINERS | 2 ++ 1 file changed, 2 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 9d3a5c54a41d..4d2a43542c83 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12774,6 +12774,8 @@ F: arch/*/kernel/*/perf_event*.c F: arch/*/kernel

[PATCH v2 rebase 33/34] powerpc/perf: split callchain.c by bitness

Building callchain.c with !COMPAT proved quite ugly with all the defines. Splitting out the 32bit and 64bit parts looks better. No code change intended. Signed-off-by: Michal Suchanek --- arch/powerpc/perf/Makefile | 5 +- arch/powerpc/perf/callchain.c| 362

[PATCH v2 rebase 31/34] powerpc/64: make buildable without CONFIG_COMPAT

There are numerous references to 32bit functions in generic and 64bit code so ifdef them out. Signed-off-by: Michal Suchanek --- arch/powerpc/include/asm/thread_info.h | 4 ++-- arch/powerpc/kernel/Makefile | 6 +++--- arch/powerpc/kernel/entry_64.S | 2 ++ arch/powerpc/kernel

[PATCH v2 rebase 32/34] powerpc/64: Make COMPAT user-selectable disabled on littleendian by default.

On bigendian ppc64 it is common to have 32bit legacy binaries but much less so on littleendian. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- arch/powerpc/Kconfig | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc

[PATCH v2 rebase 30/34] powerpc/perf: consolidate valid_user_sp

the valid 32bit area on 64bit: #define TASK_SIZE_USER32 (0x0001UL - (1 * PAGE_SIZE)) #define STACK_TOP_USER32 TASK_SIZE_USER32 Signed-off-by: Michal Suchanek --- arch/powerpc/perf/callchain.c | 27 +++ 1 file changed, 11 insertions(+), 16 deletions(-) diff --git

[PATCH v2 rebase 29/34] powerpc/perf: consolidate read_user_stack_32

There are two almost identical copies for 32bit and 64bit. The function is used only in 32bit code which will be split out in next patch so consolidate to one function. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- arch/powerpc/perf/callchain.c | 59

[PATCH v2 rebase 28/34] powerpc: move common register copy functions from signal_32.c to signal.c

These functions are required for 64bit as well. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- arch/powerpc/kernel/signal.c| 141 arch/powerpc/kernel/signal_32.c | 140 --- 2 files changed, 141 insertions

[PATCH v2 rebase 27/34] powerpc: Add back __ARCH_WANT_SYS_LLSEEK macro

interface unconditionally. Link: https://lore.kernel.org/lkml/20190828151552.ga16...@infradead.org/ Link: https://lore.kernel.org/lkml/20190829214319.498c7de2@naga/ Signed-off-by: Michal Suchanek Reviewed-by: Arnd Bergmann --- arch/powerpc/include/asm/unistd.h | 1 + fs/read_write.c

[PATCH v2 rebase 26/34] powerpc/64: system call: Fix sparse warning about missing declaration

-off-by: Michal Suchanek --- arch/powerpc/include/asm/asm-prototypes.h | 6 ++ arch/powerpc/kernel/syscall_64.c | 1 + 2 files changed, 7 insertions(+) diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h index 399ca63196e4..841746357833

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