c/mirror_zfs
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_zfs.git synced 2026-05-22 02:27:36 +03:00
Code Issues Packages Projects Releases Wiki Activity

Linux build: silence objtool warnings

Browse Source 
After #17401 the Linux build produces some stack related warnings.

Silence them with the `STACK_FRAME_NON_STANDARD` macro.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: Attila Fülöp <attila@fueloep.org>
Co-authored-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #17410
This commit is contained in:
Attila Fülöp
2025-06-05 02:40:09 +02:00
committed by Brian Behlendorf
parent 1688d9991d
commit e9c1e08e07
5 changed files with 74 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
config/kernel-objtool.m4
+19
View File
@@ -11,10 +11,12 @@ AC_DEFUN([ZFS_AC_KERNEL_OBJTOOL_HEADER], [
#include <linux/objtool.h>
],[
],[
objtool_header=$LINUX/include/linux/objtool.h
AC_DEFINE(HAVE_KERNEL_OBJTOOL_HEADER, 1,
[kernel has linux/objtool.h])
AC_MSG_RESULT(linux/objtool.h)
],[
objtool_header=$LINUX/include/linux/frame.h
AC_MSG_RESULT(linux/frame.h)
])
])
@@ -62,6 +64,23 @@ AC_DEFUN([ZFS_AC_KERNEL_OBJTOOL], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_STACK_FRAME_NON_STANDARD, 1,
[STACK_FRAME_NON_STANDARD is defined])
dnl # Needed for kernels missing the asm macro. We grep
dnl # for it in the header file since there is currently
dnl # no test to check the result of assembling a file.
AC_MSG_CHECKING(
[whether STACK_FRAME_NON_STANDARD asm macro is defined])
dnl # Escape square brackets.
sp='@<:@@<:@:space:@:>@@:>@'
dotmacro='@<:@.@:>@macro'
regexp="^$sp*$dotmacro$sp+STACK_FRAME_NON_STANDARD$sp"
AS_IF([$EGREP -s -q "$regexp" $objtool_header],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_STACK_FRAME_NON_STANDARD_ASM, 1,
[STACK_FRAME_NON_STANDARD asm macro is defined])
],[
AC_MSG_RESULT(no)
])
],[
AC_MSG_RESULT(no)
])