FAILED: patch "[PATCH] parisc: Makefile: explain that 64BIT requires both 32-bit and" failed to apply to 5.15-stable tree

FAILED: patch "[PATCH] parisc: Makefile: explain that 64BIT requires both 32-bit and" failed to apply to 5.15-stable tree

[gregkh]

The patch below does not apply to the 5.15-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-5.15.y
git checkout FETCH_HEAD
git cherry-pick -x 305ab0a748c52eeaeb01d8cff6408842d19e5cb5
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2025082124-undocked-gamma-38fe@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^..

Possible dependencies:



thanks,

greg k-h

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

From 305ab0a748c52eeaeb01d8cff6408842d19e5cb5 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Wed, 25 Jun 2025 00:30:54 -0700
Subject: [PATCH] parisc: Makefile: explain that 64BIT requires both 32-bit and
 64-bit compilers

For building a 64-bit kernel, both 32-bit and 64-bit VDSO binaries
are built, so both 32-bit and 64-bit compilers (and tools) should be
in the PATH environment variable.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-parisc@vger.kernel.org
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v5.3+

diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 9cd9aa3d16f2..48ae3c79557a 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -39,7 +39,9 @@ endif
 
 export LD_BFD
 
-# Set default 32 bits cross compilers for vdso
+# Set default 32 bits cross compilers for vdso.
+# This means that for 64BIT, both the 64-bit tools and the 32-bit tools
+# need to be in the path.
 CC_ARCHES_32 = hppa hppa2.0 hppa1.1
 CC_SUFFIXES  = linux linux-gnu unknown-linux-gnu suse-linux
 CROSS32_COMPILE := $(call cc-cross-prefix, \