From: Brian Gerst <brgerst@gmail.com>
To: linux-kernel@vger.kernel.org, x86@kernel.org
Cc: Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>, "H . Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>,
Uros Bizjak <ubizjak@gmail.com>, Brian Gerst <brgerst@gmail.com>
Subject: [PATCH v2 10/11] percpu: Remove PER_CPU_FIRST_SECTION
Date: Thu, 26 Oct 2023 12:00:59 -0400 [thread overview]
Message-ID: <20231026160100.195099-11-brgerst@gmail.com> (raw)
In-Reply-To: <20231026160100.195099-1-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 67d8dd2f1bde..23d8acc72760 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -1032,7 +1032,6 @@
*/
#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 ec3573119923..b9ddee91e6c7 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
--
2.41.0
next prev parent reply other threads:[~2023-10-26 16:02 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-26 16:00 [PATCH v2 00/11] x86-64: Stack protector and percpu improvements Brian Gerst
2023-10-26 16:00 ` [PATCH v2 01/11] x86/stackprotector/32: Remove stack protector test script Brian Gerst
2023-10-26 17:59 ` Uros Bizjak
2023-10-26 16:00 ` [PATCH v2 02/11] x86/stackprotector/64: " Brian Gerst
2023-10-26 18:06 ` Uros Bizjak
2023-10-26 16:00 ` [PATCH v2 03/11] x86/boot: Disable stack protector for early boot code Brian Gerst
2023-10-26 16:00 ` [PATCH v2 04/11] x86/pvh: Use fixed_percpu_data for early boot GSBASE Brian Gerst
2023-10-26 16:00 ` [PATCH v2 05/11] x86/stackprotector/64: Convert stack protector to normal percpu variable Brian Gerst
2023-10-26 18:16 ` Uros Bizjak
2023-10-29 1:26 ` kernel test robot
2023-10-29 6:56 ` Brian Gerst
2023-10-29 17:00 ` Brian Gerst
2023-10-30 15:24 ` Nick Desaulniers
2023-10-30 17:19 ` Brian Gerst
2023-11-01 21:21 ` Fangrui Song
2023-10-26 16:00 ` [PATCH v2 06/11] x86/percpu/64: Remove fixed_percpu_data Brian Gerst
2023-10-26 18:28 ` Uros Bizjak
2023-10-26 16:00 ` [PATCH v2 07/11] x86/percpu/64: Use relative percpu offsets Brian Gerst
2023-10-26 18:47 ` Uros Bizjak
2023-10-27 2:09 ` Brian Gerst
2023-10-27 6:09 ` Uros Bizjak
2023-10-26 16:00 ` [PATCH v2 08/11] x86/boot/64: Remove inverse relocations Brian Gerst
2023-10-26 16:00 ` [PATCH v2 09/11] x86/percpu/64: Remove INIT_PER_CPU macros Brian Gerst
2023-10-26 18:48 ` Uros Bizjak
2023-10-26 16:00 ` Brian Gerst [this message]
2023-10-26 18:51 ` [PATCH v2 10/11] percpu: Remove PER_CPU_FIRST_SECTION Uros Bizjak
2023-10-26 16:01 ` [PATCH v2 11/11] kallsyms: Remove KALLSYMS_ABSOLUTE_PERCPU Brian Gerst
2023-10-29 21:42 ` [PATCH v2 00/11] x86-64: Stack protector and percpu improvements David Laight
2023-10-29 23:19 ` Brian Gerst
2023-10-30 8:06 ` Uros Bizjak
2023-10-30 9:05 ` David Laight
2023-10-30 9:10 ` Uros Bizjak
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