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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
