mirror of https://gitee.com/openkylin/linux.git
x86/efi: Use early_memunmap() to squelch sparse errors
The kbuild reports the following sparse errors,
>> arch/x86/platform/efi/quirks.c:242:23: sparse: incorrect type in >> argument 1 (different address spaces)
arch/x86/platform/efi/quirks.c:242:23: expected void [noderef] <asn:2>*addr
arch/x86/platform/efi/quirks.c:242:23: got void *[assigned] tablep
>> arch/x86/platform/efi/quirks.c:245:23: sparse: incorrect type in >> argument 1 (different address spaces)
arch/x86/platform/efi/quirks.c:245:23: expected void [noderef] <asn:2>*addr
arch/x86/platform/efi/quirks.c:245:23: got struct efi_setup_data *[assigned] data
Dave Young had made previous attempts to convert the early_iounmap()
calls to early_memunmap() but ran into merge conflicts with commit
9e5c33d7ae
("mm: create generic early_ioremap() support").
Now that we've got that commit in place we can switch to using
early_memunmap() since we're already using early_memremap() in
efi_reuse_config().
Cc: Dave Young <dyoung@redhat.com>
Cc: Saurabh Tangri <saurabh.tangri@intel.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
This commit is contained in:
parent
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commit
98a716b66c
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@ -239,10 +239,10 @@ int __init efi_reuse_config(u64 tables, int nr_tables)
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((efi_config_table_64_t *)p)->table = data->smbios;
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p += sz;
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}
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early_iounmap(tablep, nr_tables * sz);
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early_memunmap(tablep, nr_tables * sz);
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out_memremap:
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early_iounmap(data, sizeof(*data));
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early_memunmap(data, sizeof(*data));
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out:
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return ret;
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}
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