From: Jann Horn <jannh@google.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
jannh@google.com
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
Andy Lutomirski <luto@kernel.org>
Subject: [PATCH] x86: define LOADED_MM_SWITCHING with pointer-sized number
Date: Fri, 29 Mar 2019 00:09:39 +0100 [thread overview]
Message-ID: <20190328230939.15711-1-jannh@google.com> (raw)
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>
---
arch/x86/include/asm/tlbflush.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index f4204bf377fc..90926e8dd1f8 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -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 {
--
2.21.0.392.gf8f6787159e-goog
next reply other threads:[~2019-03-28 23:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-28 23:09 Jann Horn [this message]
2019-03-29 7:32 ` Mukesh Ojha
2019-03-29 13:57 ` Borislav Petkov
2019-03-29 14:47 ` Jann Horn
2019-03-29 14:04 ` [tip:x86/cleanups] x86/mm/tlb: Define " tip-bot for Jann Horn
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