Hi,
On 3/23/26 06:43, Greg Kroah-Hartman wrote:
This is the start of the stable review cycle for the 6.18.20 release. There are 212 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Wed, 25 Mar 2026 13:44:33 +0000. Anything received after that time might be too late.
um:defconfig has failed to build since v6.18.17.
Is there any interest in supporting it in this branch ? If so, upstream commit aa7387e79a5c ("unwind_user/x86: Fix arch=um build") might help, but I did not test it.
Thanks, Guenter
--- Build reference: v6.18.20 Compiler version: x86_64-linux-gcc (GCC) 14.3.0 Assembler version: GNU assembler (GNU Binutils) 2.44
Building um:defconfig ... failed -------------- Error log: In file included from include/linux/unwind_user.h:6, from include/linux/unwind_deferred.h:6, from kernel/fork.c:108: arch/x86/include/asm/unwind_user.h: In function 'unwind_user_word_size': arch/x86/include/asm/unwind_user.h:23:17: error: 'struct pt_regs' has no member named 'flags' 23 | if (regs->flags & X86_VM_MASK) | ^~ arch/x86/include/asm/unwind_user.h:23:27: error: 'X86_VM_MASK' undeclared (first use in this function) 23 | if (regs->flags & X86_VM_MASK) | ^~~~~~~~~~~ arch/x86/include/asm/unwind_user.h:23:27: note: each undeclared identifier is reported only once for each function it appears in arch/x86/include/asm/unwind_user.h:26:14: error: implicit declaration of function 'user_64bit_mode' [-Wimplicit-function-declaration] 26 | if (!user_64bit_mode(regs)) | ^~~~~~~~~~~~~~~ make[4]: *** [scripts/Makefile.build:287: kernel/fork.o] Error 1 make[4]: *** Waiting for unfinished jobs.... make[3]: *** [scripts/Makefile.build:544: kernel] Error 2 make[3]: *** Waiting for unfinished jobs.... make[2]: *** [Makefile:2021: .] Error 2 make[1]: *** [Makefile:248: __sub-make] Error 2 make: *** [Makefile:248: __sub-make] Error 2 --------------