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Groups > linux.kernel > #1403838
| From | Aleksey Makarov <aleksey.makarov@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 1/5] ACPI: table upgrade: use cacheable map for tables |
| Date | 2016-05-19 18:20 +0200 |
| Message-ID | <rAyQ2-22S-15@gated-at.bofh.it> (permalink) |
| References | <rAyQ1-22S-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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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[PATCH v2 0/5] ACPI: ARM64: support for ACPI_TABLE_UPGRADE Aleksey Makarov <aleksey.makarov@linaro.org> - 2016-05-19 18:20 +0200
[PATCH v2 1/5] ACPI: table upgrade: use cacheable map for tables Aleksey Makarov <aleksey.makarov@linaro.org> - 2016-05-19 18:20 +0200
[PATCH v2 4/5] ACPI: table upgrade: introduce ARCH_HAS_ACPI_TABLE_UPGRADE Aleksey Makarov <aleksey.makarov@linaro.org> - 2016-05-19 18:20 +0200
[PATCH v2 3/5] ACPI: table upgrade: move arch-specific symbol to asm/acpi.h Aleksey Makarov <aleksey.makarov@linaro.org> - 2016-05-19 18:20 +0200
[PATCH v2 2/5] ACPI: table upgrade: refactor function definitions Aleksey Makarov <aleksey.makarov@linaro.org> - 2016-05-19 18:20 +0200
RE: [PATCH v2 2/5] ACPI: table upgrade: refactor function definitions "Zheng, Lv" <lv.zheng@intel.com> - 2016-05-20 03:00 +0200
Re: [PATCH v2 0/5] ACPI: ARM64: support for ACPI_TABLE_UPGRADE "Rafael J. Wysocki" <rafael@kernel.org> - 2016-05-19 23:30 +0200
Re: [PATCH v2 0/5] ACPI: ARM64: support for ACPI_TABLE_UPGRADE Aleksey Makarov <aleksey.makarov@linaro.org> - 2016-05-27 15:50 +0200
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