From: Aleksey Makarov <aleksey.makarov@linaro.org> To: Russell King <linux@arm.linux.org.uk>, "Rafael J . Wysocki" <rjw@rjwysocki.net>, Len Brown <lenb@kernel.org> Cc: linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Aleksey Makarov <aleksey.makarov@linaro.org>, Graeme Gregory <graeme.gregory@linaro.org>, Jon Masters <jcm@redhat.com>, "Zheng, Lv" <lv.zheng@intel.com>, Mark Rutland <mark.rutland@arm.com> Subject: [PATCH v2 1/5] ACPI: table upgrade: use cacheable map for tables Date: Thu, 19 May 2016 19:15:12 +0300 [thread overview] Message-ID: <1463674518-22477-2-git-send-email-aleksey.makarov@linaro.org> (raw) In-Reply-To: <1463674518-22477-1-git-send-email-aleksey.makarov@linaro.org> 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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From: aleksey.makarov@linaro.org (Aleksey Makarov) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 1/5] ACPI: table upgrade: use cacheable map for tables Date: Thu, 19 May 2016 19:15:12 +0300 [thread overview] Message-ID: <1463674518-22477-2-git-send-email-aleksey.makarov@linaro.org> (raw) In-Reply-To: <1463674518-22477-1-git-send-email-aleksey.makarov@linaro.org> 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
next prev parent reply other threads:[~2016-05-19 16:15 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-05-19 16:15 [PATCH v2 0/5] ACPI: ARM64: support for ACPI_TABLE_UPGRADE Aleksey Makarov 2016-05-19 16:15 ` Aleksey Makarov 2016-05-19 16:15 ` Aleksey Makarov [this message] 2016-05-19 16:15 ` [PATCH v2 1/5] ACPI: table upgrade: use cacheable map for tables Aleksey Makarov 2016-05-19 16:15 ` [PATCH v2 2/5] ACPI: table upgrade: refactor function definitions Aleksey Makarov 2016-05-19 16:15 ` Aleksey Makarov 2016-05-20 0:52 ` Zheng, Lv 2016-05-20 0:52 ` Zheng, Lv 2016-05-20 0:52 ` Zheng, Lv 2016-05-19 16:15 ` [PATCH v2 3/5] ACPI: table upgrade: move arch-specific symbol to asm/acpi.h Aleksey Makarov 2016-05-19 16:15 ` Aleksey Makarov 2016-05-19 16:15 ` [PATCH v2 4/5] ACPI: table upgrade: introduce ARCH_HAS_ACPI_TABLE_UPGRADE Aleksey Makarov 2016-05-19 16:15 ` Aleksey Makarov 2016-05-19 16:15 ` [PATCH v2 5/5] ACPI: ARM64: support for ACPI_TABLE_UPGRADE Aleksey Makarov 2016-05-19 16:15 ` Aleksey Makarov 2016-05-27 17:14 ` Catalin Marinas 2016-05-27 17:14 ` Catalin Marinas 2016-05-27 17:14 ` Catalin Marinas 2016-06-02 17:49 ` [PATCH v3 " Aleksey Makarov 2016-06-02 17:49 ` Aleksey Makarov 2016-06-14 15:51 ` Aleksey Makarov 2016-06-14 15:51 ` Aleksey Makarov 2016-06-14 16:41 ` Will Deacon 2016-06-14 16:41 ` Will Deacon 2016-05-19 21:22 ` [PATCH v2 0/5] " Rafael J. Wysocki 2016-05-19 21:22 ` Rafael J. Wysocki 2016-05-19 21:22 ` Rafael J. Wysocki 2016-05-27 13:46 ` Aleksey Makarov 2016-05-27 13:46 ` Aleksey Makarov 2016-05-27 13:46 ` Aleksey Makarov
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