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 8/9] percpu: Remove PER_CPU_FIRST_SECTION
Date: Mon, 23 Oct 2023 17:17:29 -0400 [thread overview]
Message-ID: <20231023211730.40566-9-brgerst@gmail.com> (raw)
In-Reply-To: <20231023211730.40566-1-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:[~2023-10-23 21:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-23 21:17 [PATCH 0/9] x86-64: Stack protector and percpu improvements Brian Gerst
2023-10-23 21:17 ` [PATCH 1/9] x86/stackprotector/32: Remove stack protector test script Brian Gerst
2023-10-23 21:17 ` [PATCH 2/9] x86/boot: Disable stack protector for early boot code Brian Gerst
2023-10-23 21:17 ` [PATCH 3/9] x86/stackprotector/64: Convert stack protector to normal percpu variable Brian Gerst
2023-10-24 12:39 ` Uros Bizjak
2023-10-23 21:17 ` [PATCH 4/9] x86/percpu/64: Remove fixed_percpu_data Brian Gerst
2023-10-24 12:33 ` Uros Bizjak
2023-10-24 14:11 ` Brian Gerst
2023-10-23 21:17 ` [PATCH 5/9] x86/percpu/64: Use relative percpu offsets Brian Gerst
2023-10-24 12:43 ` Uros Bizjak
2023-10-23 21:17 ` [PATCH 6/9] x86/boot/64: Remove inverse relocations Brian Gerst
2023-10-23 21:17 ` [PATCH 7/9] x86/percpu/64: Remove INIT_PER_CPU macros Brian Gerst
2023-10-23 21:17 ` Brian Gerst [this message]
2023-10-23 21:17 ` [PATCH 9/9] kallsyms: Remove KALLSYMS_ABSOLUTE_PERCPU Brian Gerst
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