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When just including <asm/arm_pmuv3.h>:
arch/arm64/include/asm/arm_pmuv3.h:31:13: error: ‘write_pmevtypern’ defined but not used [-Werror=unused-function]
31 | static void write_pmevtypern(int n, unsigned long val)
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/arm_pmuv3.h:24:13: error: ‘write_pmevcntrn’ defined but not used [-Werror=unused-function]
24 | static void write_pmevcntrn(int n, unsigned long val)
| ^~~~~~~~~~~~~~~
arch/arm64/include/asm/arm_pmuv3.h:16:22: error: ‘read_pmevcntrn’ defined but not used [-Werror=unused-function]
16 | static unsigned long read_pmevcntrn(int n)
| ^~~~~~~~~~~~~~
Fix this by adding the missing "inline" keywords to the three accessor
functions that lack them.
Fixes: df29ddf4f04b ("arm64: perf: Abstract system register accesses away")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/d53a19043c0c3bd25f6c203e73a2fb08a9661824.1683561482.git.geert+renesas@glider.be
Signed-off-by: Will Deacon <will@kernel.org>
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KVM host support is available only on arm64.
By moving the inclusion of kvm_host.h to an arm64-specific file,
the 32bit architecture will be able to implement dummy helpers.
Signed-off-by: Zaid Al-Bassam <zalbassam@google.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20230317195027.3746949-5-zalbassam@google.com
Signed-off-by: Will Deacon <will@kernel.org>
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The current PMU version definitions are available for arm64 only,
As we want to add PMUv3 support to arm (32-bit), abstracts
these definitions by using arch-specific helpers.
Signed-off-by: Zaid Al-Bassam <zalbassam@google.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20230317195027.3746949-4-zalbassam@google.com
Signed-off-by: Will Deacon <will@kernel.org>
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As we want to enable 32bit support, we need to distanciate the
PMUv3 driver from the AArch64 system register names.
This patch moves all system register accesses to an architecture
specific include file, allowing the 32bit counterpart to be
slotted in at a later time.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Co-developed-by: Zaid Al-Bassam <zalbassam@google.com>
Signed-off-by: Zaid Al-Bassam <zalbassam@google.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20230317195027.3746949-3-zalbassam@google.com
Signed-off-by: Will Deacon <will@kernel.org>
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