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VERMAGIC* definitions are not supposed to be used by the drivers, see this [1] bug report, so introduce special define to guard inclusion of this header file and define it in kernel/modules.h and in internal script that generates *.mod.c files. In-tree module build: ➜ kernel git:(vermagic) ✗ make clean ➜ kernel git:(vermagic) ✗ make M=drivers/infiniband/hw/mlx5 ➜ kernel git:(vermagic) ✗ modinfo drivers/infiniband/hw/mlx5/mlx5_ib.ko filename: /images/leonro/src/kernel/drivers/infiniband/hw/mlx5/mlx5_ib.ko <...> vermagic: 5.6.0+ SMP mod_unload modversions Out-of-tree module build: ➜ mlx5 make -C /images/leonro/src/kernel clean M=/tmp/mlx5 ➜ mlx5 make -C /images/leonro/src/kernel M=/tmp/mlx5 ➜ mlx5 modinfo /tmp/mlx5/mlx5_ib.ko filename: /tmp/mlx5/mlx5_ib.ko <...> vermagic: 5.6.0+ SMP mod_unload modversions [1] https://lore.kernel.org/lkml/20200411155623.GA22175@zn.tnic Reported-by: Borislav Petkov <bp@suse.de> Acked-by: Borislav Petkov <bp@suse.de> Acked-by: Jessica Yu <jeyu@kernel.org> Co-developed-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef INCLUDE_VERMAGIC
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#error "This header can be included from kernel/module.c or *.mod.c only"
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#endif
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#include <generated/utsrelease.h>
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/* Simply sanity version stamp for modules. */
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#ifdef CONFIG_SMP
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#define MODULE_VERMAGIC_SMP "SMP "
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#else
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#define MODULE_VERMAGIC_SMP ""
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#endif
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#ifdef CONFIG_PREEMPT
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#define MODULE_VERMAGIC_PREEMPT "preempt "
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#elif defined(CONFIG_PREEMPT_RT)
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#define MODULE_VERMAGIC_PREEMPT "preempt_rt "
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#else
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#define MODULE_VERMAGIC_PREEMPT ""
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#endif
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#ifdef CONFIG_MODULE_UNLOAD
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#define MODULE_VERMAGIC_MODULE_UNLOAD "mod_unload "
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#else
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#define MODULE_VERMAGIC_MODULE_UNLOAD ""
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#endif
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#ifdef CONFIG_MODVERSIONS
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#define MODULE_VERMAGIC_MODVERSIONS "modversions "
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#else
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#define MODULE_VERMAGIC_MODVERSIONS ""
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#endif
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#ifndef MODULE_ARCH_VERMAGIC
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#define MODULE_ARCH_VERMAGIC ""
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#endif
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#ifdef RANDSTRUCT_PLUGIN
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#include <generated/randomize_layout_hash.h>
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#define MODULE_RANDSTRUCT_PLUGIN "RANDSTRUCT_PLUGIN_" RANDSTRUCT_HASHED_SEED
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#else
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#define MODULE_RANDSTRUCT_PLUGIN
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#endif
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#define VERMAGIC_STRING \
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UTS_RELEASE " " \
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MODULE_VERMAGIC_SMP MODULE_VERMAGIC_PREEMPT \
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MODULE_VERMAGIC_MODULE_UNLOAD MODULE_VERMAGIC_MODVERSIONS \
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MODULE_ARCH_VERMAGIC \
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MODULE_RANDSTRUCT_PLUGIN
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