+ mips-crash-wrap-crash-dumping-code-into-crash-related-ifdefs.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mips, crash: wrap crash dumping code into crash related ifdefs
has been added to the -mm mm-unstable branch.  Its filename is
     mips-crash-wrap-crash-dumping-code-into-crash-related-ifdefs.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mips-crash-wrap-crash-dumping-code-into-crash-related-ifdefs.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Baoquan He <bhe@redhat.com>
Subject: mips, crash: wrap crash dumping code into crash related ifdefs
Date: Fri, 19 Jan 2024 22:52:39 +0800

Now crash codes under kernel/ folder has been split out from kexec
code, crash dumping can be separated from kexec reboot in config
items on mips with some adjustments.

Here use IS_ENABLED(CONFIG_CRASH_RESERVE) check to decide if compiling
in the crashkernel reservation code.

Link: https://lkml.kernel.org/r/20240119145241.769622-13-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Hari Bathini <hbathini@linux.ibm.com>
Cc: Pingfan Liu <piliu@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/mips/kernel/setup.c |   17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

--- a/arch/mips/kernel/setup.c~mips-crash-wrap-crash-dumping-code-into-crash-related-ifdefs
+++ a/arch/mips/kernel/setup.c
@@ -442,8 +442,6 @@ static void __init mips_reserve_vmcore(v
 #endif
 }
 
-#ifdef CONFIG_KEXEC
-
 /* 64M alignment for crash kernel regions */
 #define CRASH_ALIGN	SZ_64M
 #define CRASH_ADDR_MAX	SZ_512M
@@ -454,6 +452,9 @@ static void __init mips_parse_crashkerne
 	unsigned long long crash_size, crash_base;
 	int ret;
 
+	if (!IS_ENABLED(CONFIG_CRASH_RESERVE))
+		return;
+
 	total_mem = memblock_phys_mem_size();
 	ret = parse_crashkernel(boot_command_line, total_mem,
 				&crash_size, &crash_base,
@@ -489,6 +490,9 @@ static void __init request_crashkernel(s
 {
 	int ret;
 
+	if (!IS_ENABLED(CONFIG_CRASH_RESERVE))
+		return;
+
 	if (crashk_res.start == crashk_res.end)
 		return;
 
@@ -498,15 +502,6 @@ static void __init request_crashkernel(s
 			(unsigned long)(resource_size(&crashk_res) >> 20),
 			(unsigned long)(crashk_res.start  >> 20));
 }
-#else /* !defined(CONFIG_KEXEC)		*/
-static void __init mips_parse_crashkernel(void)
-{
-}
-
-static void __init request_crashkernel(struct resource *res)
-{
-}
-#endif /* !defined(CONFIG_KEXEC)  */
 
 static void __init check_kernel_sections_mem(void)
 {
_

Patches currently in -mm which might be from bhe@redhat.com are

mm-vmalloc-remove-vmap_area_list.patch
kexec-split-crashkernel-reservation-code-out-from-crash_corec.patch
crash-split-vmcoreinfo-exporting-code-out-from-crash_corec.patch
crash-remove-dependency-of-fa_dump-on-crash_dump.patch
crash-split-crash-dumping-code-out-from-kexec_corec.patch
crash-clean-up-kdump-related-config-items.patch
x86-crash-wrap-crash-dumping-code-into-crash-related-ifdefs.patch
arm64-crash-wrap-crash-dumping-code-into-crash-related-ifdefs.patch
ppc-crash-enforce-kexec-and-kexec_file-to-select-crash_dump.patch
s390-crash-wrap-crash-dumping-code-into-crash-related-ifdefs.patch
sh-crash-wrap-crash-dumping-code-into-crash-related-ifdefs.patch
arm-crash-wrap-crash-dumping-code-into-crash-related-ifdefs.patch
mips-crash-wrap-crash-dumping-code-into-crash-related-ifdefs.patch
riscv-crash-wrap-crash-dumping-code-into-crash-related-ifdefs.patch
loongarch-crash-wrap-crash-dumping-code-into-crash-related-ifdefs.patch
panic-suppress-gnu_printf-warning.patch