Re: [PATCH v3 09/13] powerpc: extend execmem_params for kprobes allocations
From: Song Liu <song@kernel.org>
Date: 2023-09-21 22:31:05
Also in:
bpf, linux-arm-kernel, linux-mips, linux-mm, linux-modules, linux-riscv, linux-s390, linux-trace-kernel, linuxppc-dev, lkml, loongarch, sparclinux
On Mon, Sep 18, 2023 at 12:31 AM Mike Rapoport [off-list ref] wrote:
[...]
quoted hunk ↗ jump to hunk
@@ -135,5 +138,13 @@ struct execmem_params __init *execmem_arch_params(void) range->pgprot = prot; + execmem_params.ranges[EXECMEM_KPROBES].start = VMALLOC_START; + execmem_params.ranges[EXECMEM_KPROBES].start = VMALLOC_END;
.end = VMALLOC_END. Thanks, Song
+
+ if (strict_module_rwx_enabled())
+ execmem_params.ranges[EXECMEM_KPROBES].pgprot = PAGE_KERNEL_ROX;
+ else
+ execmem_params.ranges[EXECMEM_KPROBES].pgprot = PAGE_KERNEL_EXEC;
+
return &execmem_params;
}
--
2.39.2