From: Tiwei Bie <tiwei.bie@linux.dev>
To: richard@nod.at, anton.ivanov@cambridgegreys.com,
johannes@sipsolutions.net
Cc: linux-um@lists.infradead.org, tiwei.btw@antgroup.com,
tiwei.bie@linux.dev
Subject: [PATCH 6/7] um: Remove outdated comment about STUB_DATA_PAGES
Date: Sun, 24 Aug 2025 23:44:24 +0800 [thread overview]
Message-ID: <20250824154425.2243375-7-tiwei.bie@linux.dev> (raw)
In-Reply-To: <20250824154425.2243375-1-tiwei.bie@linux.dev>
From: Tiwei Bie <tiwei.btw@antgroup.com>
STUB_DATA_PAGES is no longer required to be a power of two since
commit 91f0a0c5cc5b ("um: Calculate stub data address relative to
stub code"). Remove the outdated comment.
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
---
arch/um/include/shared/as-layout.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/um/include/shared/as-layout.h b/arch/um/include/shared/as-layout.h
index 2f9bfd99460a..eacf18ec9d0c 100644
--- a/arch/um/include/shared/as-layout.h
+++ b/arch/um/include/shared/as-layout.h
@@ -23,7 +23,7 @@
#define STUB_START stub_start
#define STUB_CODE STUB_START
#define STUB_DATA (STUB_CODE + UM_KERN_PAGE_SIZE)
-#define STUB_DATA_PAGES 2 /* must be a power of two */
+#define STUB_DATA_PAGES 2
#define STUB_END (STUB_DATA + STUB_DATA_PAGES * UM_KERN_PAGE_SIZE)
#ifndef __ASSEMBLER__
--
2.34.1
next prev parent reply other threads:[~2025-08-24 15:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-24 15:44 [PATCH 0/7] um: Misc cleanups Tiwei Bie
2025-08-24 15:44 ` [PATCH 1/7] um: Add missing trailing newline to help messages Tiwei Bie
2025-08-24 15:44 ` [PATCH 2/7] um: vector: Fix indentation for help message Tiwei Bie
2025-08-24 15:44 ` [PATCH 3/7] um: Fix help message for ssl-non-raw Tiwei Bie
2025-08-24 15:44 ` [PATCH 4/7] um: Indent time-travel help messages Tiwei Bie
2025-08-24 15:44 ` [PATCH 5/7] um: Remove unused offset and child_err fields from stub_data Tiwei Bie
2025-08-24 15:44 ` Tiwei Bie [this message]
2025-08-24 15:44 ` [PATCH 7/7] um: Centralize stub size calculations Tiwei Bie
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