diff options
Diffstat (limited to 'patches/linux-3.12-rc4/0024-HACK-ARM-increase-TASK_SIZE-for-MMU.patch')
| -rw-r--r-- | patches/linux-3.12-rc4/0024-HACK-ARM-increase-TASK_SIZE-for-MMU.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/patches/linux-3.12-rc4/0024-HACK-ARM-increase-TASK_SIZE-for-MMU.patch b/patches/linux-3.12-rc4/0024-HACK-ARM-increase-TASK_SIZE-for-MMU.patch new file mode 100644 index 0000000..123c76a --- /dev/null +++ b/patches/linux-3.12-rc4/0024-HACK-ARM-increase-TASK_SIZE-for-MMU.patch @@ -0,0 +1,34 @@ +From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de> +Date: Thu, 4 Oct 2012 13:32:51 +0200 +Subject: [PATCH] HACK! ARM: increase TASK_SIZE for !MMU +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This is needed for strncpy_from_user and friends since + + 8c56cc8 (ARM: 7449/1: use generic strnlen_user and strncpy_from_user functions) + +Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> +--- + arch/arm/include/asm/memory.h | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h +index e750a93..f0155d4 100644 +--- a/arch/arm/include/asm/memory.h ++++ b/arch/arm/include/asm/memory.h +@@ -91,9 +91,12 @@ + * It is difficult to define and perhaps will never meet the original meaning + * of this define that was meant to. + * Fortunately, there is no reference for this in noMMU mode, for now. ++ * ++ * HACK: copy_from_user must even handle copying from flash. So don't impose a ++ * limit at all. Not sure this is correct ... + */ + #ifndef TASK_SIZE +-#define TASK_SIZE (CONFIG_DRAM_SIZE) ++#define TASK_SIZE (~0UL) + #endif + + #ifndef TASK_UNMAPPED_BASE |