Xen's SYSCALL hooks are overcomplicated and add unnecessary places where RSP is user controlled. Simplify it and get rid of those user RSP code paths under Xen.
Tested as an Intel KVM guest. Not tested under Xen or on AMD, both of which are important. Andy Lutomirski (2): x86/entry/64: Rearrange SYSCALL entry points for Xen's benefit x86/xen/64: Rearrange the SYSCALL entries arch/x86/entry/entry_64.S | 29 +++++++++++++++-------------- arch/x86/entry/entry_64_compat.S | 12 +++++++----- arch/x86/xen/xen-asm_64.S | 24 ++++++++++-------------- 3 files changed, 32 insertions(+), 33 deletions(-) -- 2.4.3 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
