Searched hist:"40 ff2c3b" (Results 1 – 1 of 1) sorted by relevance
| /openbmc/linux/drivers/target/ |
| H A D | target_core_file.c | 40ff2c3b Wed Dec 05 05:08:29 CST 2012 Sebastian Andrzej Siewior <bigeasy@linutronix.de> target/file: Fix 32-bit highmem breakage for SGL -> iovec mapping
This patch changes vectored file I/O to use kmap + kunmap when mapping
incoming SGL memory -> struct iovec in order to properly support 32-bit
highmem configurations. This is because an extra bounce buffer may be
required when processing scatterlist pages allocated with GFP_KERNEL.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
40ff2c3b Wed Dec 05 05:08:29 CST 2012 Sebastian Andrzej Siewior <bigeasy@linutronix.de> target/file: Fix 32-bit highmem breakage for SGL -> iovec mapping
This patch changes vectored file I/O to use kmap + kunmap when mapping
incoming SGL memory -> struct iovec in order to properly support 32-bit
highmem configurations. This is because an extra bounce buffer may be
required when processing scatterlist pages allocated with GFP_KERNEL.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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