From: Brian Gerst <brgerst@gmail.com>
To: linux-kernel@vger.kernel.org, x86@kernel.org
Cc: Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@alien8.de>,
Thomas Gleixner <tglx@linutronix.de>,
"H . Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>,
Brian Gerst <brgerst@gmail.com>
Subject: [PATCH v2 6/6] percpu: Remove PER_CPU_FIRST_SECTION
Date: Tue, 30 Nov 2021 15:55:49 -0500 [thread overview]
Message-ID: <20211130205549.116673-7-brgerst@gmail.com> (raw)
In-Reply-To: <20211130205549.116673-1-brgerst@gmail.com>
x86-64 was the only user.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
---
include/asm-generic/vmlinux.lds.h | 1 -
include/linux/percpu-defs.h | 12 ------------
2 files changed, 13 deletions(-)
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 42f3866bca69..a7fc94e1b985 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -1056,7 +1056,6 @@
*/
#define PERCPU_INPUT(cacheline) \
__per_cpu_start = .; \
- *(.data..percpu..first) \
. = ALIGN(PAGE_SIZE); \
*(.data..percpu..page_aligned) \
. = ALIGN(cacheline); \
diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h
index af1071535de8..819d1b9ff8fe 100644
--- a/include/linux/percpu-defs.h
+++ b/include/linux/percpu-defs.h
@@ -26,13 +26,11 @@
#define PER_CPU_SHARED_ALIGNED_SECTION "..shared_aligned"
#define PER_CPU_ALIGNED_SECTION "..shared_aligned"
#endif
-#define PER_CPU_FIRST_SECTION "..first"
#else
#define PER_CPU_SHARED_ALIGNED_SECTION ""
#define PER_CPU_ALIGNED_SECTION "..shared_aligned"
-#define PER_CPU_FIRST_SECTION ""
#endif
@@ -114,16 +112,6 @@
#define DEFINE_PER_CPU(type, name) \
DEFINE_PER_CPU_SECTION(type, name, "")
-/*
- * Declaration/definition used for per-CPU variables that must come first in
- * the set of variables.
- */
-#define DECLARE_PER_CPU_FIRST(type, name) \
- DECLARE_PER_CPU_SECTION(type, name, PER_CPU_FIRST_SECTION)
-
-#define DEFINE_PER_CPU_FIRST(type, name) \
- DEFINE_PER_CPU_SECTION(type, name, PER_CPU_FIRST_SECTION)
-
/*
* Declaration/definition used for per-CPU variables that must be cacheline
* aligned under SMP conditions so that, whilst a particular instance of the
--
2.31.1
prev parent reply other threads:[~2021-11-30 20:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-30 20:55 [PATCH v2 0/6] x86-64: Stack protector and percpu improvements Brian Gerst
2021-11-30 20:55 ` [PATCH v2 1/6] x86: Remove stack protector test scripts Brian Gerst
2021-11-30 20:55 ` [PATCH v2 2/6] x86-64: Convert stack protector to normal percpu variable Brian Gerst
2021-12-01 9:50 ` David Laight
2021-12-01 14:21 ` Brian Gerst
2021-12-02 22:51 ` Peter Zijlstra
2021-11-30 20:55 ` [PATCH v2 3/6] x86-64: Use relative per-cpu offsets Brian Gerst
2021-11-30 20:55 ` [PATCH v2 4/6] x86-64: Remove inverse relocations Brian Gerst
2021-11-30 20:55 ` [PATCH v2 5/6] kallsyms: Remove KALLSYMS_ABSOLUTE_PERCPU Brian Gerst
2021-11-30 20:55 ` Brian Gerst [this message]
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