Messages in this thread Patch in this message | | | From | Aleksey Makarov <> | Subject | [PATCH v2 1/5] ACPI: table upgrade: use cacheable map for tables | Date | Thu, 19 May 2016 19:15:12 +0300 |
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The new memory allocated in acpi_table_initrd_init() is used to copy the upgraded tables to it. So it should be mapped with early_memunmap() instead of early_ioremap().
This is critical for ARM.
Signed-off-by: Aleksey Makarov <aleksey.makarov@linaro.org> Acked-by: Lv Zheng <lv.zheng@intel.com> --- drivers/acpi/tables.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index a372f9e..f829e6a 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -578,10 +578,10 @@ static void __init acpi_table_initrd_init(void *data, size_t size) clen = size; if (clen > MAP_CHUNK_SIZE - slop) clen = MAP_CHUNK_SIZE - slop; - dest_p = early_ioremap(dest_addr & PAGE_MASK, - clen + slop); + dest_p = early_memremap(dest_addr & PAGE_MASK, + clen + slop); memcpy(dest_p + slop, src_p, clen); - early_iounmap(dest_p, clen + slop); + early_memunmap(dest_p, clen + slop); src_p += clen; dest_addr += clen; size -= clen; -- 2.8.2
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