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Subject[PATCH] x86/tlb/uv: Add a forward declaration for struct flush_tlb_info
Date
From: Borislav Petkov <bp@suse.de>

... to fix these build warnings:

In file included from ./arch/x86/include/asm/uv/uv_hub.h:22,
from drivers/misc/sgi-gru/grukdump.c:16:
./arch/x86/include/asm/uv/uv.h:39:21: warning: ‘struct flush_tlb_info’ declared \
inside parameter list will not be visible outside of this definition or declaration
39 | const struct flush_tlb_info *info);
| ^~~~~~~~~~~~~~
In file included from ./arch/x86/include/asm/uv/uv_hub.h:22,
from drivers/misc/sgi-gru/grutlbpurge.c:28:
./arch/x86/include/asm/uv/uv.h:39:21: warning: ‘struct flush_tlb_info’ declared \
inside parameter list will not be visible outside of this definition or declaration
39 | const struct flush_tlb_info *info);
| ^~~~~~~~~~~~~~

...

after

bfe3d8f6313d ("x86/tlb: Restrict access to tlbstate")

restricted access to tlbstate.

Signed-off-by: Borislav Petkov <bp@suse.de>
---
arch/x86/include/asm/uv/uv.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h
index 45ea95ce79b4..91e088ac6904 100644
--- a/arch/x86/include/asm/uv/uv.h
+++ b/arch/x86/include/asm/uv/uv.h
@@ -8,6 +8,7 @@ enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};

struct cpumask;
struct mm_struct;
+struct flush_tlb_info;

#ifdef CONFIG_X86_UV
#include <linux/efi.h>
--
2.21.0
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