From: guoren@kernel.org
To: arnd@arndb.de, guoren@kernel.org, palmer@rivosinc.com,
tglx@linutronix.de, peterz@infradead.org, luto@kernel.org,
conor.dooley@microchip.com, heiko@sntech.de, jszhang@kernel.org,
lazyparser@gmail.com, falcon@tinylab.org, chenhuacai@kernel.org,
apatel@ventanamicro.com, atishp@atishpatra.org,
palmer@dabbelt.com, paul.walmsley@sifive.com
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-riscv@lists.infradead.org,
Guo Ren <guoren@linux.alibaba.com>,
kernel test robot <lkp@intel.com>
Subject: [PATCH V2 5/6] riscv: elf_kexec: Fixup compile warning
Date: Sun, 4 Sep 2022 03:26:36 -0400 [thread overview]
Message-ID: <20220904072637.8619-6-guoren@kernel.org> (raw)
In-Reply-To: <20220904072637.8619-1-guoren@kernel.org>
From: Guo Ren <guoren@linux.alibaba.com>
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1
O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/
../arch/riscv/kernel/elf_kexec.c: In function 'elf_kexec_load':
../arch/riscv/kernel/elf_kexec.c:185:23: warning: variable
'kernel_start' set but not used [-Wunused-but-set-variable]
185 | unsigned long kernel_start;
| ^~~~~~~~~~~~
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reported-by: kernel test robot <lkp@intel.com>
---
arch/riscv/kernel/elf_kexec.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/riscv/kernel/elf_kexec.c b/arch/riscv/kernel/elf_kexec.c
index 0cb94992c15b..bba3723a0914 100644
--- a/arch/riscv/kernel/elf_kexec.c
+++ b/arch/riscv/kernel/elf_kexec.c
@@ -182,7 +182,9 @@ static void *elf_kexec_load(struct kimage *image, char *kernel_buf,
unsigned long new_kernel_pbase = 0UL;
unsigned long initrd_pbase = 0UL;
unsigned long headers_sz;
+#ifdef CONFIG_ARCH_HAS_KEXEC_PURGATORY
unsigned long kernel_start;
+#endif /* CONFIG_ARCH_HAS_KEXEC_PURGATORY */
void *fdt, *headers;
struct elfhdr ehdr;
struct kexec_buf kbuf;
@@ -197,7 +199,9 @@ static void *elf_kexec_load(struct kimage *image, char *kernel_buf,
&old_kernel_pbase, &new_kernel_pbase);
if (ret)
goto out;
+#ifdef CONFIG_ARCH_HAS_KEXEC_PURGATORY
kernel_start = image->start;
+#endif /* CONFIG_ARCH_HAS_KEXEC_PURGATORY */
pr_notice("The entry point of kernel at 0x%lx\n", image->start);
/* Add the kernel binary to the image */
--
2.36.1
next prev parent reply other threads:[~2022-09-04 7:28 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-04 7:26 [PATCH V2 0/6] riscv: Add GENERIC_ENTRY, IRQ_STACKS support guoren
2022-09-04 7:26 ` [PATCH V2 1/6] riscv: ptrace: Remove duplicate operation guoren
2022-09-04 7:26 ` [PATCH V2 2/6] riscv: convert to generic entry guoren
2022-09-04 7:26 ` [PATCH V2 3/6] riscv: Support HAVE_IRQ_EXIT_ON_IRQ_STACK guoren
2022-09-04 7:26 ` [PATCH V2 4/6] riscv: Support HAVE_SOFTIRQ_ON_OWN_STACK guoren
2022-09-04 7:26 ` guoren [this message]
2022-09-04 10:36 ` [PATCH V2 5/6] riscv: elf_kexec: Fixup compile warning Conor.Dooley
2022-09-04 10:56 ` Guo Ren
2022-09-04 11:13 ` Conor.Dooley
2022-09-04 11:55 ` Guo Ren
2022-09-04 7:26 ` [PATCH V2 6/6] riscv: compat_syscall_table: " guoren
2022-09-04 10:08 ` Conor.Dooley
2022-09-04 10:17 ` [PATCH V2 0/6] riscv: Add GENERIC_ENTRY, IRQ_STACKS support Conor.Dooley
2022-09-04 10:40 ` Guo Ren
2022-09-04 11:05 ` Guo Ren
2022-09-05 13:18 ` Jisheng Zhang
2022-09-06 1:55 ` Guo Ren
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220904072637.8619-6-guoren@kernel.org \
--to=guoren@kernel.org \
--cc=apatel@ventanamicro.com \
--cc=arnd@arndb.de \
--cc=atishp@atishpatra.org \
--cc=chenhuacai@kernel.org \
--cc=conor.dooley@microchip.com \
--cc=falcon@tinylab.org \
--cc=guoren@linux.alibaba.com \
--cc=heiko@sntech.de \
--cc=jszhang@kernel.org \
--cc=lazyparser@gmail.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=lkp@intel.com \
--cc=luto@kernel.org \
--cc=palmer@dabbelt.com \
--cc=palmer@rivosinc.com \
--cc=paul.walmsley@sifive.com \
--cc=peterz@infradead.org \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox