From: tip-bot for Jann Horn <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: mingo@kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com,
luto@kernel.org, sai.praneeth.prakhya@intel.com,
peterz@infradead.org, bigeasy@linutronix.de, x86@kernel.org,
hpa@zytor.com, mojha@codeaurora.org, dave.hansen@intel.com,
jannh@google.com, tglx@linutronix.de, bp@suse.de,
riel@surriel.com
Subject: [tip:x86/cleanups] x86/mm/tlb: Define LOADED_MM_SWITCHING with pointer-sized number
Date: Fri, 29 Mar 2019 07:04:13 -0700 [thread overview]
Message-ID: <tip-a72a19327b92e09dab0eb9fd2bc83466465cbffb@git.kernel.org> (raw)
In-Reply-To: <20190328230939.15711-1-jannh@google.com>
Commit-ID: a72a19327b92e09dab0eb9fd2bc83466465cbffb
Gitweb: https://git.kernel.org/tip/a72a19327b92e09dab0eb9fd2bc83466465cbffb
Author: Jann Horn <jannh@google.com>
AuthorDate: Fri, 29 Mar 2019 00:09:39 +0100
Committer: Borislav Petkov <bp@suse.de>
CommitDate: Fri, 29 Mar 2019 14:55:31 +0100
x86/mm/tlb: Define LOADED_MM_SWITCHING with pointer-sized number
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
---
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 {
prev parent reply other threads:[~2019-03-29 14:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-28 23:09 [PATCH] x86: define LOADED_MM_SWITCHING with pointer-sized number Jann Horn
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-bot for Jann Horn [this message]
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