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This patch avoids fuse hangs on sh4 by flushing the cache on get_user_pages_fast(). This is not necessary a good thing to do, but get_user_pages() does this, so get_user_pages_fast() should too. Please note the patch for mips arch that addresses the similar problem: https://kernel.googlesource.com/pub/scm/linux/kernel/git/ralf/linux/+/linux-3.4.50%5E!/#F0 They basically simply disable get_user_pages_fast() at all, using a fall-back to get_user_pages(). But my fix is different, it adds an explicit cache flushes. Signed-off-by: Stas Sergeev <stsp@users.sourceforge.net> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Kamal Dasu <kdasu.kdev@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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boards | ||
boot | ||
cchips | ||
configs | ||
drivers | ||
include | ||
kernel | ||
lib | ||
lib64 | ||
math-emu | ||
mm | ||
oprofile | ||
tools | ||
Kconfig | ||
Kconfig.cpu | ||
Kconfig.debug | ||
Makefile |