Messages in this thread Patch in this message | | | From | Lianbo Jiang <> | Subject | [PATCH 1/3 v9] x86/mm: Change the examination condition to avoid confusion | Date | Thu, 21 Mar 2019 18:33:07 +0800 |
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Following the commit <0e4c12b45aa8> ("x86/mm, resource: Use PAGE_KERNEL protection for ioremap of memory pages"), here it is really checking for the 'IORES_DESC_ACPI_*' values. Therefore, it is necessary to change the examination condition to avoid confusion.
Signed-off-by: Lianbo Jiang <lijiang@redhat.com> --- arch/x86/mm/ioremap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 0029604af8a4..0e3ba620612d 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -83,7 +83,8 @@ static bool __ioremap_check_ram(struct resource *res) static int __ioremap_check_desc_other(struct resource *res) { - return (res->desc != IORES_DESC_NONE); + return ((res->desc == IORES_DESC_ACPI_TABLES) || + (res->desc == IORES_DESC_ACPI_NV_STORAGE)); } static int __ioremap_res_check(struct resource *res, void *arg) -- 2.17.1
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