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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>,
	Uros Bizjak <ubizjak@gmail.com>,
	David.Laight@aculab.com, Brian Gerst <brgerst@gmail.com>
Subject: [PATCH v4 13/16] percpu: Remove PER_CPU_FIRST_SECTION
Date: Fri, 22 Mar 2024 12:52:30 -0400	[thread overview]
Message-ID: <20240322165233.71698-14-brgerst@gmail.com> (raw)
In-Reply-To: <20240322165233.71698-1-brgerst@gmail.com>

x86-64 was the last 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 9752eb420ffa..74f169772778 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -1033,7 +1033,6 @@
  */
 #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
-- 
2.44.0


  parent reply	other threads:[~2024-03-22 16:53 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-22 16:52 [PATCH v4 00/16] x86-64: Stack protector and percpu improvements Brian Gerst
2024-03-22 16:52 ` [PATCH v4 01/16] x86/stackprotector/32: Remove stack protector test script Brian Gerst
2024-03-23 17:00   ` Uros Bizjak
2024-03-22 16:52 ` [PATCH v4 02/16] x86/stackprotector/64: " Brian Gerst
2024-03-23 17:01   ` Uros Bizjak
2024-03-22 16:52 ` [PATCH v4 03/16] x86/boot: Disable stack protector for early boot code Brian Gerst
2024-03-22 16:52 ` [PATCH v4 04/16] x86/pvh: Use fixed_percpu_data for early boot GSBASE Brian Gerst
2024-03-22 16:52 ` [PATCH v4 05/16] x86/relocs: Handle R_X86_64_REX_GOTPCRELX relocations Brian Gerst
2024-03-22 16:52 ` [PATCH v4 06/16] objtool: Allow adding relocations to an existing section Brian Gerst
2024-03-22 16:52 ` [PATCH v4 07/16] objtool: Convert fixed location stack protector accesses Brian Gerst
2024-03-22 16:52 ` [PATCH v4 08/16] x86/stackprotector/64: Convert to normal percpu variable Brian Gerst
2024-03-23 17:11   ` Uros Bizjak
2024-03-22 16:52 ` [PATCH v4 09/16] x86/percpu/64: Use relative percpu offsets Brian Gerst
2024-03-23 17:14   ` Uros Bizjak
2024-03-22 16:52 ` [PATCH v4 10/16] x86/percpu/64: Remove fixed_percpu_data Brian Gerst
2024-03-23 17:14   ` Uros Bizjak
2024-03-22 16:52 ` [PATCH v4 11/16] x86/boot/64: Remove inverse relocations Brian Gerst
2024-03-22 16:52 ` [PATCH v4 12/16] x86/percpu/64: Remove INIT_PER_CPU macros Brian Gerst
2024-03-23 17:15   ` Uros Bizjak
2024-03-22 16:52 ` Brian Gerst [this message]
2024-03-23 17:17   ` [PATCH v4 13/16] percpu: Remove PER_CPU_FIRST_SECTION Uros Bizjak
2024-03-22 16:52 ` [PATCH v4 14/16] percpu: Remove PERCPU_VADDR() Brian Gerst
2024-03-22 16:52 ` [PATCH v4 15/16] percpu: Remove __per_cpu_load Brian Gerst
2024-03-22 16:52 ` [PATCH v4 16/16] kallsyms: Remove KALLSYMS_ABSOLUTE_PERCPU Brian Gerst
2024-03-23 11:39 ` [PATCH v4 00/16] x86-64: Stack protector and percpu improvements Uros Bizjak
2024-03-23 13:22   ` Brian Gerst
2024-03-23 16:16     ` Linus Torvalds
2024-03-23 17:06       ` Linus Torvalds
2024-03-24 19:09         ` David Laight
2024-03-25 14:51         ` Arnd Bergmann
2024-03-25 15:26           ` Takashi Iwai
2024-03-25 18:08             ` Arnd Bergmann
2024-03-26  7:02               ` Uros Bizjak
2024-03-23 22:55       ` Arnd Bergmann
2024-03-25 15:14         ` Ard Biesheuvel
2024-03-24  2:25   ` Ingo Molnar
2024-03-24  3:51     ` Brian Gerst
2024-03-24  4:05       ` Ingo Molnar
2024-03-24  5:43         ` Brian Gerst
2024-03-24 10:53           ` Ingo Molnar
2024-03-24 12:34             ` Brian Gerst
2024-03-24 18:14               ` Ingo Molnar

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