From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Date: Tue, 12 Apr 2011 15:29:09 +0000 (+0900)
Subject: KVM: x86 emulator: Make emulate_push() store the value directly
X-Git-Tag: v3.0-rc1~350^2~70
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4179bb02fd3e87183e5f698495dfcb80df187889;p=pandora-kernel.git

KVM: x86 emulator: Make emulate_push() store the value directly

PUSH emulation stores the value by calling writeback() after setting
the dst operand appropriately in emulate_push().

This writeback() using dst is not needed at all because we know the
target is the stack.  So this patch makes emulate_push() call, newly
introduced, segmented_write() directly.

By this, many inlined writeback()'s are removed.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

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