From: Jisheng Zhang <jszhang3@mail.ustc.edu.cn> To: "Paul Walmsley" <paul.walmsley@sifive.com>, "Palmer Dabbelt" <palmer@dabbelt.com>, "Albert Ou" <aou@eecs.berkeley.edu>, "Andrey Ryabinin" <ryabinin.a.a@gmail.com>, "Alexander Potapenko" <glider@google.com>, "Andrey Konovalov" <andreyknvl@gmail.com>, "Dmitry Vyukov" <dvyukov@google.com>, " Björn Töpel" <bjorn@kernel.org>, "Alexei Starovoitov" <ast@kernel.org>, "Daniel Borkmann" <daniel@iogearbox.net>, "Andrii Nakryiko" <andrii@kernel.org>, "Martin KaFai Lau" <kafai@fb.com>, "Song Liu" <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>, "John Fastabend" <john.fastabend@gmail.com>, "KP Singh" <kpsingh@kernel.org>, "Luke Nelson" <luke.r.nels@gmail.com>, "Xi Wang" <xi.wang@gmail.com> Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, netdev@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH 1/9] riscv: add __init section marker to some functions Date: Tue, 30 Mar 2021 02:22:21 +0800 [thread overview] Message-ID: <20210330022221.174d2721@xhacker> (raw) In-Reply-To: <20210330022144.150edc6e@xhacker> From: Jisheng Zhang <jszhang@kernel.org> They are not needed after booting, so mark them as __init to move them to the __init section. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> --- arch/riscv/kernel/traps.c | 2 +- arch/riscv/mm/init.c | 6 +++--- arch/riscv/mm/kasan_init.c | 6 +++--- arch/riscv/mm/ptdump.c | 2 +- 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c index 1357abf79570..07fdded10c21 100644 --- a/arch/riscv/kernel/traps.c +++ b/arch/riscv/kernel/traps.c @@ -197,6 +197,6 @@ int is_valid_bugaddr(unsigned long pc) #endif /* CONFIG_GENERIC_BUG */ /* stvec & scratch is already set from head.S */ -void trap_init(void) +void __init trap_init(void) { } diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 067583ab1bd7..76bf2de8aa59 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -57,7 +57,7 @@ static void __init zone_sizes_init(void) free_area_init(max_zone_pfns); } -static void setup_zero_page(void) +static void __init setup_zero_page(void) { memset((void *)empty_zero_page, 0, PAGE_SIZE); } @@ -75,7 +75,7 @@ static inline void print_mlm(char *name, unsigned long b, unsigned long t) (((t) - (b)) >> 20)); } -static void print_vm_layout(void) +static void __init print_vm_layout(void) { pr_notice("Virtual kernel memory layout:\n"); print_mlk("fixmap", (unsigned long)FIXADDR_START, @@ -557,7 +557,7 @@ static inline void setup_vm_final(void) #endif /* CONFIG_MMU */ #ifdef CONFIG_STRICT_KERNEL_RWX -void protect_kernel_text_data(void) +void __init protect_kernel_text_data(void) { unsigned long text_start = (unsigned long)_start; unsigned long init_text_start = (unsigned long)__init_text_begin; diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c index 4f85c6d0ddf8..e1d041ac1534 100644 --- a/arch/riscv/mm/kasan_init.c +++ b/arch/riscv/mm/kasan_init.c @@ -60,7 +60,7 @@ asmlinkage void __init kasan_early_init(void) local_flush_tlb_all(); } -static void kasan_populate_pte(pmd_t *pmd, unsigned long vaddr, unsigned long end) +static void __init kasan_populate_pte(pmd_t *pmd, unsigned long vaddr, unsigned long end) { phys_addr_t phys_addr; pte_t *ptep, *base_pte; @@ -82,7 +82,7 @@ static void kasan_populate_pte(pmd_t *pmd, unsigned long vaddr, unsigned long en set_pmd(pmd, pfn_pmd(PFN_DOWN(__pa(base_pte)), PAGE_TABLE)); } -static void kasan_populate_pmd(pgd_t *pgd, unsigned long vaddr, unsigned long end) +static void __init kasan_populate_pmd(pgd_t *pgd, unsigned long vaddr, unsigned long end) { phys_addr_t phys_addr; pmd_t *pmdp, *base_pmd; @@ -117,7 +117,7 @@ static void kasan_populate_pmd(pgd_t *pgd, unsigned long vaddr, unsigned long en set_pgd(pgd, pfn_pgd(PFN_DOWN(__pa(base_pmd)), PAGE_TABLE)); } -static void kasan_populate_pgd(unsigned long vaddr, unsigned long end) +static void __init kasan_populate_pgd(unsigned long vaddr, unsigned long end) { phys_addr_t phys_addr; pgd_t *pgdp = pgd_offset_k(vaddr); diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c index ace74dec7492..3b7b6e4d025e 100644 --- a/arch/riscv/mm/ptdump.c +++ b/arch/riscv/mm/ptdump.c @@ -331,7 +331,7 @@ static int ptdump_show(struct seq_file *m, void *v) DEFINE_SHOW_ATTRIBUTE(ptdump); -static int ptdump_init(void) +static int __init ptdump_init(void) { unsigned int i, j; -- 2.31.0
WARNING: multiple messages have this Message-ID (diff)
From: Jisheng Zhang <jszhang3@mail.ustc.edu.cn> To: "Paul Walmsley" <paul.walmsley@sifive.com>, "Palmer Dabbelt" <palmer@dabbelt.com>, "Albert Ou" <aou@eecs.berkeley.edu>, "Andrey Ryabinin" <ryabinin.a.a@gmail.com>, "Alexander Potapenko" <glider@google.com>, "Andrey Konovalov" <andreyknvl@gmail.com>, "Dmitry Vyukov" <dvyukov@google.com>, " Björn Töpel" <bjorn@kernel.org>, "Alexei Starovoitov" <ast@kernel.org>, "Daniel Borkmann" <daniel@iogearbox.net>, "Andrii Nakryiko" <andrii@kernel.org>, "Martin KaFai Lau" <kafai@fb.com>, "Song Liu" <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>, "John Fastabend" <john.fastabend@gmail.com>, "KP Singh" <kpsingh@kernel.org>, "Luke Nelson" <luke.r.nels@gmail.com>, "Xi Wang" <xi.wang@gmail.com> Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, netdev@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH 1/9] riscv: add __init section marker to some functions Date: Tue, 30 Mar 2021 02:22:21 +0800 [thread overview] Message-ID: <20210330022221.174d2721@xhacker> (raw) In-Reply-To: <20210330022144.150edc6e@xhacker> From: Jisheng Zhang <jszhang@kernel.org> They are not needed after booting, so mark them as __init to move them to the __init section. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> --- arch/riscv/kernel/traps.c | 2 +- arch/riscv/mm/init.c | 6 +++--- arch/riscv/mm/kasan_init.c | 6 +++--- arch/riscv/mm/ptdump.c | 2 +- 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c index 1357abf79570..07fdded10c21 100644 --- a/arch/riscv/kernel/traps.c +++ b/arch/riscv/kernel/traps.c @@ -197,6 +197,6 @@ int is_valid_bugaddr(unsigned long pc) #endif /* CONFIG_GENERIC_BUG */ /* stvec & scratch is already set from head.S */ -void trap_init(void) +void __init trap_init(void) { } diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 067583ab1bd7..76bf2de8aa59 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -57,7 +57,7 @@ static void __init zone_sizes_init(void) free_area_init(max_zone_pfns); } -static void setup_zero_page(void) +static void __init setup_zero_page(void) { memset((void *)empty_zero_page, 0, PAGE_SIZE); } @@ -75,7 +75,7 @@ static inline void print_mlm(char *name, unsigned long b, unsigned long t) (((t) - (b)) >> 20)); } -static void print_vm_layout(void) +static void __init print_vm_layout(void) { pr_notice("Virtual kernel memory layout:\n"); print_mlk("fixmap", (unsigned long)FIXADDR_START, @@ -557,7 +557,7 @@ static inline void setup_vm_final(void) #endif /* CONFIG_MMU */ #ifdef CONFIG_STRICT_KERNEL_RWX -void protect_kernel_text_data(void) +void __init protect_kernel_text_data(void) { unsigned long text_start = (unsigned long)_start; unsigned long init_text_start = (unsigned long)__init_text_begin; diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c index 4f85c6d0ddf8..e1d041ac1534 100644 --- a/arch/riscv/mm/kasan_init.c +++ b/arch/riscv/mm/kasan_init.c @@ -60,7 +60,7 @@ asmlinkage void __init kasan_early_init(void) local_flush_tlb_all(); } -static void kasan_populate_pte(pmd_t *pmd, unsigned long vaddr, unsigned long end) +static void __init kasan_populate_pte(pmd_t *pmd, unsigned long vaddr, unsigned long end) { phys_addr_t phys_addr; pte_t *ptep, *base_pte; @@ -82,7 +82,7 @@ static void kasan_populate_pte(pmd_t *pmd, unsigned long vaddr, unsigned long en set_pmd(pmd, pfn_pmd(PFN_DOWN(__pa(base_pte)), PAGE_TABLE)); } -static void kasan_populate_pmd(pgd_t *pgd, unsigned long vaddr, unsigned long end) +static void __init kasan_populate_pmd(pgd_t *pgd, unsigned long vaddr, unsigned long end) { phys_addr_t phys_addr; pmd_t *pmdp, *base_pmd; @@ -117,7 +117,7 @@ static void kasan_populate_pmd(pgd_t *pgd, unsigned long vaddr, unsigned long en set_pgd(pgd, pfn_pgd(PFN_DOWN(__pa(base_pmd)), PAGE_TABLE)); } -static void kasan_populate_pgd(unsigned long vaddr, unsigned long end) +static void __init kasan_populate_pgd(unsigned long vaddr, unsigned long end) { phys_addr_t phys_addr; pgd_t *pgdp = pgd_offset_k(vaddr); diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c index ace74dec7492..3b7b6e4d025e 100644 --- a/arch/riscv/mm/ptdump.c +++ b/arch/riscv/mm/ptdump.c @@ -331,7 +331,7 @@ static int ptdump_show(struct seq_file *m, void *v) DEFINE_SHOW_ATTRIBUTE(ptdump); -static int ptdump_init(void) +static int __init ptdump_init(void) { unsigned int i, j; -- 2.31.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2021-03-29 18:28 UTC|newest] Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-29 18:21 [PATCH 0/9] riscv: improve self-protection Jisheng Zhang 2021-03-29 18:21 ` Jisheng Zhang 2021-03-29 18:22 ` Jisheng Zhang [this message] 2021-03-29 18:22 ` [PATCH 1/9] riscv: add __init section marker to some functions Jisheng Zhang 2021-03-29 18:22 ` [PATCH 2/9] riscv: Mark some global variables __ro_after_init Jisheng Zhang 2021-03-29 18:22 ` Jisheng Zhang 2021-03-29 18:23 ` [PATCH 3/9] riscv: Constify sys_call_table Jisheng Zhang 2021-03-29 18:23 ` Jisheng Zhang 2021-03-29 18:23 ` [PATCH 4/9] riscv: Constify sbi_ipi_ops Jisheng Zhang 2021-03-29 18:23 ` Jisheng Zhang 2021-03-29 18:24 ` [PATCH 5/9] riscv: kprobes: Implement alloc_insn_page() Jisheng Zhang 2021-03-29 18:24 ` Jisheng Zhang 2021-03-29 18:24 ` [PATCH 6/9] riscv: bpf: Move bpf_jit_alloc_exec() and bpf_jit_free_exec() to core Jisheng Zhang 2021-03-29 18:24 ` Jisheng Zhang 2021-03-29 20:41 ` Luke Nelson 2021-03-29 20:41 ` Luke Nelson 2021-03-29 18:25 ` [PATCH 7/9] riscv: bpf: Avoid breaking W^X Jisheng Zhang 2021-03-29 18:25 ` Jisheng Zhang 2021-03-30 16:39 ` kernel test robot 2021-06-11 14:10 ` Andreas Schwab 2021-06-11 14:10 ` Andreas Schwab 2021-06-11 16:23 ` Jisheng Zhang 2021-06-11 16:23 ` Jisheng Zhang 2021-06-11 16:41 ` Andreas Schwab 2021-06-11 16:41 ` Andreas Schwab 2021-06-13 17:05 ` Jisheng Zhang 2021-06-13 17:05 ` Jisheng Zhang 2021-06-13 19:50 ` Andreas Schwab 2021-06-13 19:50 ` Andreas Schwab 2021-06-14 16:49 ` [PATCH] riscv: Ensure BPF_JIT_REGION_START aligned with PMD size Jisheng Zhang 2021-06-14 16:49 ` Jisheng Zhang 2021-06-15 12:29 ` Daniel Borkmann 2021-06-15 12:29 ` Daniel Borkmann 2021-06-15 18:54 ` Alex Ghiti 2021-06-15 18:54 ` Alex Ghiti 2021-06-16 0:03 ` Jisheng Zhang 2021-06-16 0:03 ` Jisheng Zhang 2021-06-17 7:23 ` Alex Ghiti 2021-06-17 7:23 ` Alex Ghiti 2021-06-17 17:17 ` Jisheng Zhang 2021-06-17 17:17 ` Jisheng Zhang 2021-06-17 7:30 ` Palmer Dabbelt 2021-06-17 7:30 ` Palmer Dabbelt 2021-06-17 8:09 ` Alex Ghiti 2021-06-17 8:09 ` Alex Ghiti 2021-06-17 14:18 ` Alex Ghiti 2021-06-17 14:18 ` Alex Ghiti 2021-06-17 17:27 ` Jisheng Zhang 2021-06-17 17:27 ` Jisheng Zhang 2021-06-17 17:46 ` Jisheng Zhang 2021-06-17 17:46 ` Jisheng Zhang 2021-06-17 18:10 ` Jisheng Zhang 2021-06-17 18:10 ` Jisheng Zhang 2021-06-17 18:15 ` [PATCH v2] " Jisheng Zhang 2021-06-17 18:15 ` Jisheng Zhang 2021-06-18 6:48 ` Alex Ghiti 2021-06-18 6:48 ` Alex Ghiti 2021-03-29 18:25 ` [PATCH 8/9] riscv: module: Create module allocations without exec permissions Jisheng Zhang 2021-03-29 18:25 ` Jisheng Zhang 2021-03-29 18:26 ` [PATCH 9/9] riscv: Set ARCH_HAS_STRICT_MODULE_RWX if MMU Jisheng Zhang 2021-03-29 18:26 ` Jisheng Zhang 2021-04-23 1:48 ` [PATCH 0/9] riscv: improve self-protection Palmer Dabbelt 2021-04-23 1:48 ` Palmer Dabbelt
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