[tip: x86/build] x86: Do not include <asm/bootparam.h> in several files

From: tip-bot2 for Thomas Zimmermann
Date: Tue Jan 30 2024 - 13:36:52 EST


The following commit has been merged into the x86/build branch of tip:

Commit-ID: 103bf75fc928d16185feb216bda525b5aaca0b18
Gitweb: https://git.kernel.org/tip/103bf75fc928d16185feb216bda525b5aaca0b18
Author: Thomas Zimmermann <tzimmermann@xxxxxxx>
AuthorDate: Fri, 12 Jan 2024 10:44:39 +01:00
Committer: Borislav Petkov (AMD) <bp@xxxxxxxxx>
CommitterDate: Tue, 30 Jan 2024 15:17:24 +01:00

x86: Do not include <asm/bootparam.h> in several files

Remove the include statement for <asm/bootparam.h> from several files
that don't require it and limit the exposure of those definitions within
the Linux kernel code.

[ bp: Massage commit message. ]

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
Reviewed-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
Acked-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20240112095000.8952-5-tzimmermann@xxxxxxx
---
arch/x86/boot/compressed/acpi.c | 2 ++
arch/x86/boot/compressed/cmdline.c | 2 ++
arch/x86/boot/compressed/efi.c | 2 ++
arch/x86/boot/compressed/pgtable_64.c | 1 +
arch/x86/boot/compressed/sev.c | 1 +
arch/x86/include/asm/kexec.h | 1 -
arch/x86/include/asm/mem_encrypt.h | 2 +-
arch/x86/include/asm/sev.h | 3 ++-
arch/x86/include/asm/x86_init.h | 2 --
arch/x86/kernel/crash.c | 1 +
arch/x86/kernel/sev-shared.c | 2 ++
arch/x86/platform/pvh/enlighten.c | 1 +
arch/x86/xen/enlighten_pvh.c | 1 +
arch/x86/xen/vga.c | 1 -
14 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/arch/x86/boot/compressed/acpi.c b/arch/x86/boot/compressed/acpi.c
index 18d15d1..f196b1d 100644
--- a/arch/x86/boot/compressed/acpi.c
+++ b/arch/x86/boot/compressed/acpi.c
@@ -5,6 +5,8 @@
#include "../string.h"
#include "efi.h"

+#include <asm/bootparam.h>
+
#include <linux/numa.h>

/*
diff --git a/arch/x86/boot/compressed/cmdline.c b/arch/x86/boot/compressed/cmdline.c
index c1bb180..e162d7f 100644
--- a/arch/x86/boot/compressed/cmdline.c
+++ b/arch/x86/boot/compressed/cmdline.c
@@ -1,6 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
#include "misc.h"

+#include <asm/bootparam.h>
+
static unsigned long fs;
static inline void set_fs(unsigned long seg)
{
diff --git a/arch/x86/boot/compressed/efi.c b/arch/x86/boot/compressed/efi.c
index 6edd034..f2e50f9 100644
--- a/arch/x86/boot/compressed/efi.c
+++ b/arch/x86/boot/compressed/efi.c
@@ -7,6 +7,8 @@

#include "misc.h"

+#include <asm/bootparam.h>
+
/**
* efi_get_type - Given a pointer to boot_params, determine the type of EFI environment.
*
diff --git a/arch/x86/boot/compressed/pgtable_64.c b/arch/x86/boot/compressed/pgtable_64.c
index 51f957b..c882e1f 100644
--- a/arch/x86/boot/compressed/pgtable_64.c
+++ b/arch/x86/boot/compressed/pgtable_64.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include "misc.h"
+#include <asm/bootparam.h>
#include <asm/e820/types.h>
#include <asm/processor.h>
#include "pgtable.h"
diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c
index 454acd7..13beae7 100644
--- a/arch/x86/boot/compressed/sev.c
+++ b/arch/x86/boot/compressed/sev.c
@@ -12,6 +12,7 @@
*/
#include "misc.h"

+#include <asm/bootparam.h>
#include <asm/pgtable_types.h>
#include <asm/sev.h>
#include <asm/trapnr.h>
diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h
index c9f6a6c..91ca9a9 100644
--- a/arch/x86/include/asm/kexec.h
+++ b/arch/x86/include/asm/kexec.h
@@ -25,7 +25,6 @@

#include <asm/page.h>
#include <asm/ptrace.h>
-#include <asm/bootparam.h>

struct kimage;

diff --git a/arch/x86/include/asm/mem_encrypt.h b/arch/x86/include/asm/mem_encrypt.h
index 359ada4..c1a8a34 100644
--- a/arch/x86/include/asm/mem_encrypt.h
+++ b/arch/x86/include/asm/mem_encrypt.h
@@ -15,7 +15,7 @@
#include <linux/init.h>
#include <linux/cc_platform.h>

-#include <asm/bootparam.h>
+struct boot_params;

#ifdef CONFIG_X86_MEM_ENCRYPT
void __init mem_encrypt_init(void);
diff --git a/arch/x86/include/asm/sev.h b/arch/x86/include/asm/sev.h
index 5b4a1ce..8dad8b1 100644
--- a/arch/x86/include/asm/sev.h
+++ b/arch/x86/include/asm/sev.h
@@ -13,7 +13,6 @@

#include <asm/insn.h>
#include <asm/sev-common.h>
-#include <asm/bootparam.h>
#include <asm/coco.h>

#define GHCB_PROTOCOL_MIN 1ULL
@@ -22,6 +21,8 @@

#define VMGEXIT() { asm volatile("rep; vmmcall\n\r"); }

+struct boot_params;
+
enum es_result {
ES_OK, /* All good */
ES_UNSUPPORTED, /* Requested operation not supported */
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index c878616..f062715 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -2,8 +2,6 @@
#ifndef _ASM_X86_PLATFORM_H
#define _ASM_X86_PLATFORM_H

-#include <asm/bootparam.h>
-
struct ghcb;
struct mpc_bus;
struct mpc_cpu;
diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index b6b0443..fe404c1 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -26,6 +26,7 @@
#include <linux/vmalloc.h>
#include <linux/memblock.h>

+#include <asm/bootparam.h>
#include <asm/processor.h>
#include <asm/hardirq.h>
#include <asm/nmi.h>
diff --git a/arch/x86/kernel/sev-shared.c b/arch/x86/kernel/sev-shared.c
index 1d24ec6..fcc6d83 100644
--- a/arch/x86/kernel/sev-shared.c
+++ b/arch/x86/kernel/sev-shared.c
@@ -9,6 +9,8 @@
* and is included directly into both code-bases.
*/

+#include <asm/setup_data.h>
+
#ifndef __BOOT_COMPRESSED
#define error(v) pr_err(v)
#define has_cpuflag(f) boot_cpu_has(f)
diff --git a/arch/x86/platform/pvh/enlighten.c b/arch/x86/platform/pvh/enlighten.c
index 00a92cb..944e029 100644
--- a/arch/x86/platform/pvh/enlighten.c
+++ b/arch/x86/platform/pvh/enlighten.c
@@ -3,6 +3,7 @@

#include <xen/hvc-console.h>

+#include <asm/bootparam.h>
#include <asm/io_apic.h>
#include <asm/hypervisor.h>
#include <asm/e820/api.h>
diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c
index ada3868..9e9db60 100644
--- a/arch/x86/xen/enlighten_pvh.c
+++ b/arch/x86/xen/enlighten_pvh.c
@@ -4,6 +4,7 @@

#include <xen/hvc-console.h>

+#include <asm/bootparam.h>
#include <asm/io_apic.h>
#include <asm/hypervisor.h>
#include <asm/e820/api.h>
diff --git a/arch/x86/xen/vga.c b/arch/x86/xen/vga.c
index d97adab..f754780 100644
--- a/arch/x86/xen/vga.c
+++ b/arch/x86/xen/vga.c
@@ -2,7 +2,6 @@
#include <linux/screen_info.h>
#include <linux/init.h>

-#include <asm/bootparam.h>
#include <asm/setup.h>

#include <xen/interface/xen.h>