From: Jason Yan <yanaijie@huawei.com> To: <mpe@ellerman.id.au>, <linuxppc-dev@lists.ozlabs.org>, <diana.craciun@nxp.com>, <christophe.leroy@c-s.fr>, <benh@kernel.crashing.org>, <paulus@samba.org>, <npiggin@gmail.com>, <keescook@chromium.org>, <kernel-hardening@lists.openwall.com> Cc: <linux-kernel@vger.kernel.org>, <wangkefeng.wang@huawei.com>, <yebin10@huawei.com>, <thunder.leizhen@huawei.com>, <jingxiangfeng@huawei.com>, <fanchengyang@huawei.com>, <zhaohongjiang@huawei.com>, Jason Yan <yanaijie@huawei.com> Subject: [PATCH v6 02/12] powerpc: move memstart_addr and kernstart_addr to init-common.c Date: Fri, 9 Aug 2019 18:07:50 +0800 [thread overview] Message-ID: <20190809100800.5426-3-yanaijie@huawei.com> (raw) In-Reply-To: <20190809100800.5426-1-yanaijie@huawei.com> These two variables are both defined in init_32.c and init_64.c. Move them to init-common.c and make them __ro_after_init. Signed-off-by: Jason Yan <yanaijie@huawei.com> Cc: Diana Craciun <diana.craciun@nxp.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Christophe Leroy <christophe.leroy@c-s.fr> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Kees Cook <keescook@chromium.org> Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr> Reviewed-by: Diana Craciun <diana.craciun@nxp.com> Tested-by: Diana Craciun <diana.craciun@nxp.com> --- arch/powerpc/mm/init-common.c | 5 +++++ arch/powerpc/mm/init_32.c | 5 ----- arch/powerpc/mm/init_64.c | 5 ----- 3 files changed, 5 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/mm/init-common.c b/arch/powerpc/mm/init-common.c index a84da92920f7..e223da482c0c 100644 --- a/arch/powerpc/mm/init-common.c +++ b/arch/powerpc/mm/init-common.c @@ -21,6 +21,11 @@ #include <asm/pgtable.h> #include <asm/kup.h> +phys_addr_t memstart_addr __ro_after_init = (phys_addr_t)~0ull; +EXPORT_SYMBOL_GPL(memstart_addr); +phys_addr_t kernstart_addr __ro_after_init; +EXPORT_SYMBOL_GPL(kernstart_addr); + static bool disable_kuep = !IS_ENABLED(CONFIG_PPC_KUEP); static bool disable_kuap = !IS_ENABLED(CONFIG_PPC_KUAP); diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index b04896a88d79..872df48ae41b 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -56,11 +56,6 @@ phys_addr_t total_memory; phys_addr_t total_lowmem; -phys_addr_t memstart_addr = (phys_addr_t)~0ull; -EXPORT_SYMBOL(memstart_addr); -phys_addr_t kernstart_addr; -EXPORT_SYMBOL(kernstart_addr); - #ifdef CONFIG_RELOCATABLE /* Used in __va()/__pa() */ long long virt_phys_offset; diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index a44f6281ca3a..c836f1269ee7 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -63,11 +63,6 @@ #include <mm/mmu_decl.h> -phys_addr_t memstart_addr = ~0; -EXPORT_SYMBOL_GPL(memstart_addr); -phys_addr_t kernstart_addr; -EXPORT_SYMBOL_GPL(kernstart_addr); - #ifdef CONFIG_SPARSEMEM_VMEMMAP /* * Given an address within the vmemmap, determine the pfn of the page that -- 2.17.2
WARNING: multiple messages have this Message-ID (diff)
From: Jason Yan <yanaijie@huawei.com> To: <mpe@ellerman.id.au>, <linuxppc-dev@lists.ozlabs.org>, <diana.craciun@nxp.com>, <christophe.leroy@c-s.fr>, <benh@kernel.crashing.org>, <paulus@samba.org>, <npiggin@gmail.com>, <keescook@chromium.org>, <kernel-hardening@lists.openwall.com> Cc: wangkefeng.wang@huawei.com, Jason Yan <yanaijie@huawei.com>, linux-kernel@vger.kernel.org, jingxiangfeng@huawei.com, zhaohongjiang@huawei.com, thunder.leizhen@huawei.com, fanchengyang@huawei.com, yebin10@huawei.com Subject: [PATCH v6 02/12] powerpc: move memstart_addr and kernstart_addr to init-common.c Date: Fri, 9 Aug 2019 18:07:50 +0800 [thread overview] Message-ID: <20190809100800.5426-3-yanaijie@huawei.com> (raw) In-Reply-To: <20190809100800.5426-1-yanaijie@huawei.com> These two variables are both defined in init_32.c and init_64.c. Move them to init-common.c and make them __ro_after_init. Signed-off-by: Jason Yan <yanaijie@huawei.com> Cc: Diana Craciun <diana.craciun@nxp.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Christophe Leroy <christophe.leroy@c-s.fr> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Kees Cook <keescook@chromium.org> Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr> Reviewed-by: Diana Craciun <diana.craciun@nxp.com> Tested-by: Diana Craciun <diana.craciun@nxp.com> --- arch/powerpc/mm/init-common.c | 5 +++++ arch/powerpc/mm/init_32.c | 5 ----- arch/powerpc/mm/init_64.c | 5 ----- 3 files changed, 5 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/mm/init-common.c b/arch/powerpc/mm/init-common.c index a84da92920f7..e223da482c0c 100644 --- a/arch/powerpc/mm/init-common.c +++ b/arch/powerpc/mm/init-common.c @@ -21,6 +21,11 @@ #include <asm/pgtable.h> #include <asm/kup.h> +phys_addr_t memstart_addr __ro_after_init = (phys_addr_t)~0ull; +EXPORT_SYMBOL_GPL(memstart_addr); +phys_addr_t kernstart_addr __ro_after_init; +EXPORT_SYMBOL_GPL(kernstart_addr); + static bool disable_kuep = !IS_ENABLED(CONFIG_PPC_KUEP); static bool disable_kuap = !IS_ENABLED(CONFIG_PPC_KUAP); diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index b04896a88d79..872df48ae41b 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -56,11 +56,6 @@ phys_addr_t total_memory; phys_addr_t total_lowmem; -phys_addr_t memstart_addr = (phys_addr_t)~0ull; -EXPORT_SYMBOL(memstart_addr); -phys_addr_t kernstart_addr; -EXPORT_SYMBOL(kernstart_addr); - #ifdef CONFIG_RELOCATABLE /* Used in __va()/__pa() */ long long virt_phys_offset; diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index a44f6281ca3a..c836f1269ee7 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -63,11 +63,6 @@ #include <mm/mmu_decl.h> -phys_addr_t memstart_addr = ~0; -EXPORT_SYMBOL_GPL(memstart_addr); -phys_addr_t kernstart_addr; -EXPORT_SYMBOL_GPL(kernstart_addr); - #ifdef CONFIG_SPARSEMEM_VMEMMAP /* * Given an address within the vmemmap, determine the pfn of the page that -- 2.17.2
next prev parent reply other threads:[~2019-08-09 9:52 UTC|newest] Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-09 10:07 [PATCH v6 00/12] implement KASLR for powerpc/fsl_booke/32 Jason Yan 2019-08-09 10:07 ` Jason Yan 2019-08-09 10:07 ` [PATCH v6 01/12] powerpc: unify definition of M_IF_NEEDED Jason Yan 2019-08-09 10:07 ` Jason Yan 2019-08-09 10:07 ` Jason Yan [this message] 2019-08-09 10:07 ` [PATCH v6 02/12] powerpc: move memstart_addr and kernstart_addr to init-common.c Jason Yan 2019-08-09 10:07 ` [PATCH v6 03/12] powerpc: introduce kernstart_virt_addr to store the kernel base Jason Yan 2019-08-09 10:07 ` Jason Yan 2019-08-09 10:07 ` [PATCH v6 04/12] powerpc/fsl_booke/32: introduce create_tlb_entry() helper Jason Yan 2019-08-09 10:07 ` Jason Yan 2019-08-27 22:07 ` Scott Wood 2019-08-27 22:07 ` Scott Wood 2019-08-28 5:33 ` Jason Yan 2019-08-28 5:33 ` Jason Yan 2019-08-09 10:07 ` [PATCH v6 05/12] powerpc/fsl_booke/32: introduce reloc_kernel_entry() helper Jason Yan 2019-08-09 10:07 ` Jason Yan 2019-08-09 10:07 ` [PATCH v6 06/12] powerpc/fsl_booke/32: implement KASLR infrastructure Jason Yan 2019-08-09 10:07 ` Jason Yan 2019-08-28 4:54 ` Scott Wood 2019-08-28 4:54 ` Scott Wood 2019-08-28 5:47 ` Christophe Leroy 2019-08-28 5:47 ` Christophe Leroy 2019-08-29 6:26 ` Jason Yan 2019-08-29 6:26 ` Jason Yan 2019-08-28 11:03 ` Jason Yan 2019-08-28 11:03 ` Jason Yan 2019-08-28 16:44 ` Scott Wood 2019-08-28 16:44 ` Scott Wood 2019-08-28 16:44 ` Scott Wood 2019-08-09 10:07 ` [PATCH v6 07/12] powerpc/fsl_booke/32: randomize the kernel image offset Jason Yan 2019-08-09 10:07 ` Jason Yan 2019-08-09 10:07 ` [PATCH v6 08/12] powerpc/fsl_booke/kaslr: clear the original kernel if randomized Jason Yan 2019-08-09 10:07 ` Jason Yan 2019-08-09 10:07 ` [PATCH v6 09/12] powerpc/fsl_booke/kaslr: support nokaslr cmdline parameter Jason Yan 2019-08-09 10:07 ` Jason Yan 2019-08-09 10:07 ` [PATCH v6 10/12] powerpc/fsl_booke/kaslr: dump out kernel offset information on panic Jason Yan 2019-08-09 10:07 ` Jason Yan 2019-08-09 10:07 ` [PATCH v6 11/12] powerpc/fsl_booke/kaslr: export offset in VMCOREINFO ELF notes Jason Yan 2019-08-09 10:07 ` Jason Yan 2019-08-09 10:08 ` [PATCH v6 12/12] powerpc/fsl_booke/32: Document KASLR implementation Jason Yan 2019-08-09 10:08 ` Jason Yan 2019-08-19 6:12 ` [PATCH v6 00/12] implement KASLR for powerpc/fsl_booke/32 Jason Yan 2019-08-19 6:12 ` Jason Yan 2019-08-27 0:39 ` Jason Yan 2019-08-27 0:39 ` Jason Yan 2019-08-27 1:33 ` Michael Ellerman 2019-08-27 1:33 ` Michael Ellerman 2019-08-28 5:08 ` Scott Wood 2019-08-28 5:08 ` Scott Wood 2019-08-28 5:08 ` Scott Wood 2019-08-28 13:01 ` Michael Ellerman 2019-08-28 13:01 ` Michael Ellerman 2019-08-28 4:05 ` Scott Wood 2019-08-28 4:05 ` Scott Wood 2019-08-28 4:05 ` Scott Wood 2019-08-28 4:59 ` Scott Wood 2019-08-28 4:59 ` Scott Wood 2019-08-28 4:59 ` Scott Wood 2019-08-29 2:41 ` Jason Yan 2019-08-29 2:41 ` Jason Yan 2019-08-29 1:57 ` Jason Yan 2019-08-29 1:57 ` Jason Yan 2019-09-10 5:34 ` Jason Yan 2019-09-10 5:34 ` Jason Yan 2019-09-14 14:28 ` Scott Wood 2019-09-14 14:28 ` Scott Wood 2019-09-14 14:28 ` Scott Wood
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