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SubjectRe: [RFC PATCH 02/10] powerpc: move memstart_addr and kernstart_addr to init-common.c
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Le 17/07/2019 à 10:06, Jason Yan a écrit :
> These two variables are both defined in init_32.c and init_64.c. Move
> them to init-common.c.
>
> 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>


> ---
> 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..9273c38009cb 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 = (phys_addr_t)~0ull;
> +EXPORT_SYMBOL(memstart_addr);
> +phys_addr_t kernstart_addr;
> +EXPORT_SYMBOL(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
>

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