(2010/04/20 20:00), Alexander Graf wrote:
On 20.04.2010, at 13:00, Takuya Yoshikawa wrote:We are now using generic___set_le_bit() to make dirty bitmaps le. Though this works well, we have to replace __set_bit() to appropriate uaccess function to move dirty bitmaps to user space. So this patch splits generic___set_le_bit() and prepares for that. Signed-off-by: Takuya Yoshikawa<yoshikawa.tak...@oss.ntt.co.jp> Signed-off-by: Fernando Luis Vazquez Cao<ferna...@oss.ntt.co.jp> --- virt/kvm/kvm_main.c | 16 +++++++++++----- 1 files changed, 11 insertions(+), 5 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 6908304..66c4daf 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1194,6 +1194,15 @@ int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len) } EXPORT_SYMBOL_GPL(kvm_clear_guest); +static int __mark_page_dirty(unsigned long nr, + unsigned long *dirty_bitmap) +{ +#ifdef __BIG_ENDIAN + nr = nr ^ BITOP_LE_SWIZZLE;Why an XOR here?
Ah, might be my cut and paste mistake. I just copied from generic___set_le_bit().
Also is this LE set_bit new? I didn't see it when I did the patch back then :).
Really? I need to check the git log then. This LE set_bit is not new I think.
Alex
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