FAILED: patch "[PATCH] riscv: put interrupt entries into .irqentry.text" failed to apply to 4.19-stable tree

FAILED: patch "[PATCH] riscv: put interrupt entries into .irqentry.text" failed to apply to 4.19-stable tree

[gregkh]

The patch below does not apply to the 4.19-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-4.19.y
git checkout FETCH_HEAD
git cherry-pick -x 87615e95f6f9ccd36d4a3905a2d87f91967ea9d2
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2023112409-padlock-freeway-b534@gregkh' --subject-prefix 'PATCH 4.19.y' HEAD^..

Possible dependencies:

87615e95f6f9 ("riscv: put interrupt entries into .irqentry.text")
f0bddf50586d ("riscv: entry: Convert to generic entry")
c3ec1e8964fb ("Merge patch series "RISC-V: Align the shadow stack"")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 87615e95f6f9ccd36d4a3905a2d87f91967ea9d2 Mon Sep 17 00:00:00 2001
From: Nam Cao <namcaov@gmail.com>
Date: Mon, 21 Aug 2023 16:57:09 +0200
Subject: [PATCH] riscv: put interrupt entries into .irqentry.text

The interrupt entries are expected to be in the .irqentry.text section.
For example, for kprobes to work properly, exception code cannot be
probed; this is ensured by blacklisting addresses in the .irqentry.text
section.

Fixes: 7db91e57a0ac ("RISC-V: Task implementation")
Signed-off-by: Nam Cao <namcaov@gmail.com>
Link: https://lore.kernel.org/r/20230821145708.21270-1-namcaov@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
index 143a2bb3e697..d7dd9030df3f 100644
--- a/arch/riscv/kernel/entry.S
+++ b/arch/riscv/kernel/entry.S
@@ -14,6 +14,8 @@
 #include <asm/asm-offsets.h>
 #include <asm/errata_list.h>
 
+	.section .irqentry.text, "ax"
+
 SYM_CODE_START(handle_exception)
 	/*
 	 * If coming from userspace, preserve the user thread pointer and load