Am 06.04.2012 00:46, schrieb Max Filippov: > Instruction breakpoint/zero overhead loop handling code is built into > TBs pointed to by IBREAKA/LEND SRs. When these or related SRs get > changed TBs at virtual addresses corresponding to their old and their > new values must be invalidated. > > Virtual address range is passed to the tb_invalidate_phys_page_range, > which is incorrect in system emulation mode. > > To fix it use guest TLB/MMU to translate virtual address to physical > address. > > However the guest may not have virtual-to-physical mapping at the moment > of IBREAKA/LEND change, thus this fix is not 100% accurate. > > Signed-off-by: Max Filippov <jcmvb...@gmail.com> > --- > exec-all.h | 1 + > exec.c | 9 ++++++--- > target-xtensa/op_helper.c | 29 ++++++++++++++++++----------- > 3 files changed, 25 insertions(+), 14 deletions(-) [snip]
In addition to the breakage reported by Blue, a subject starting with "target-xtensa: " gives the impression that it only affects Xtensa. Please split it in two and wait for an Acked-by on the exec part before including it in an Xtensa PULL. Andreas -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
