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arm64: cpufeature: Pass capability structure to ->enable callback

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Commit 0a0d111d40 upstream.

In order to invoke the CPU capability ->matches callback from the ->enable
callback for applying local-CPU workarounds, we need a handle on the
capability structure.

This patch passes a pointer to the capability structure to the ->enable
callback.

Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Will Deacon
2018-01-02 21:37:25 +00:00
committed by Greg Kroah-Hartman
parent 9da836a476
commit be53742bef
1 changed files with 2 additions and 2 deletions
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4
arch/arm64/kernel/cpufeature.c
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@@ -1144,7 +1144,7 @@ void __init enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps)
* uses an IPI, giving us a PSTATE that disappears when
* we return.
*/
stop_machine(caps->enable, NULL, cpu_online_mask);
stop_machine(caps->enable, (void *)caps, cpu_online_mask);
}
}
}
@@ -1203,7 +1203,7 @@ verify_local_cpu_features(const struct arm64_cpu_capabilities *caps_list)
cpu_die_early();
}
if (caps->enable)
caps->enable(NULL);
caps->enable((void *)caps);
}
}