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x86/mm/tlb: Define LOADED_MM_SWITCHING with pointer-sized number

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sparse complains that LOADED_MM_SWITCHING's definition casts an int to a
pointer:

  arch/x86/mm/tlb.c:409:17: warning: non size-preserving integer to pointer cast

Use a pointer-sized integer constant instead.

Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Sai Praneeth <sai.praneeth.prakhya@intel.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20190328230939.15711-1-jannh@google.com
This commit is contained in:
Jann Horn 2019-03-29 00:09:39 +01:00 committed by Borislav Petkov
parent 766460852c
commit a72a19327b
1 changed files with 1 additions and 1 deletions
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2
arch/x86/include/asm/tlbflush.h
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@ -167,7 +167,7 @@ struct tlb_state {
*/
struct mm_struct *loaded_mm;
#define LOADED_MM_SWITCHING ((struct mm_struct *)1)
#define LOADED_MM_SWITCHING ((struct mm_struct *)1UL)
/* Last user mm for optimizing IBPB */
union {