On Mar 15, 2012, at 5:41 PM, Timur Tabi wrote: > The "memory" clobber tells the compiler to ensure that all writes to memory > are committed before the hypercall is made. > > "memory" is only necessary for hcalls where the Hypervisor will read or > write guest memory. However, we add it to all hcalls because the impact is > minimal, and we want to ensure that it's present for the hcalls that need it. > > Signed-off-by: Timur Tabi <ti...@freescale.com> > --- > arch/powerpc/include/asm/epapr_hcalls.h | 7 ++++++- > 1 files changed, 6 insertions(+), 1 deletions(-)
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