>> 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.
You're right, sorry about that. -- Thanks. -- Max
