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feat: detect proc_ops support via header parsing instead of version check. (#411)

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Some kernels (e.g. 5.4 with backports) include proc_ops despite being
older than 5.6.0. Replace hardcoded version check with runtime header
detection to handle these cases.

- Check for "struct proc_ops" in include/linux/proc_fs.h
- Use KSU_COMPAT_HAS_PROC_OPS macro for conditional compilation
- Fixes build failures on kernels with backported proc_ops

Signed-off-by: JackAltman
This commit is contained in:
JackAltman
2025-09-20 13:28:05 +08:00
committed by ShirkNeko
parent 3a61da7f45
commit 36742cc17e
2 changed files with 7 additions and 2 deletions
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5
kernel/Makefile
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@@ -126,6 +126,11 @@ $(info -- KernelSU/compat: new vfs_getattr() found)
ccflags-y += -DKSU_HAS_NEW_VFS_GETATTR
endif
# Function proc_ops check
ifeq ($(shell grep -q "struct proc_ops " $(srctree)/include/linux/proc_fs.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_PROC_OPS
endif
# Custom Signs
ifdef KSU_EXPECTED_SIZE
ccflags-y += -DEXPECTED_SIZE=$(KSU_EXPECTED_SIZE)