+Cris +Stanley Loop in DSP guys in case they would have something to add. > -----Original Message----- > From: Felipe Contreras [mailto:felipe.contreras@xxxxxxxxx] > Sent: Sunday, May 16, 2010 10:46 AM > To: linux-omap > Cc: Ramirez Luna, Omar; Guzman Lugo, Fernando; Felipe Contreras > Subject: [PATCH 00/14] dspbridge: rewrite deh > > Hi, > > Investigating the MMU fault corruption issue I found a lot of areas of > improvements of the exception handling code. > > Moreover, even though the obvious memory corruption is fixed on kernel > side, > there are still some rare cases where corruption in user-space might be > possible if some buffers are still mapped. This came up in a discussion > with > Fernando Lugo, and we both agreed on a fix (patch #7). > > The rest is mostly reorganization. > > These apply on top of the MMU fault fix patch. > > Felipe Contreras (14): > dspbridge: deh: refactor into wait_for_timer() > dspbridge: deh: trivial cleanups > dspbridge: mmufault: trivial cleanups > dspbridge: deh: free dummy page immediately > dspbridge: remove unused code > dspbridge: mmu: add hw_mmu_tlb_flush_all() > dspbridge: deh: ensure only tlb #0 is enabled > dspbridge: deh: refactor in mmu_fault_print_stack() > dspbridge: deh: remove get_info > dspbridge: deh: remove err_info > dspbridge: access deh directly > dspbridge: move mmufault to deh > dspbridge: deh: tidying up > dspbridge: deh: update copyright notice > > arch/arm/plat-omap/include/dspbridge/dbdefs.h | 1 - > arch/arm/plat-omap/include/dspbridge/dspdefs.h | 75 ----- > arch/arm/plat-omap/include/dspbridge/dspdeh.h | 20 +- > drivers/dsp/bridge/Makefile | 2 +- > drivers/dsp/bridge/core/_deh.h | 2 +- > drivers/dsp/bridge/core/_tiomap.h | 6 +- > drivers/dsp/bridge/core/mmu_fault.c | 141 -------- > drivers/dsp/bridge/core/mmu_fault.h | 36 -- > drivers/dsp/bridge/core/tiomap3430.c | 17 +- > drivers/dsp/bridge/core/ue_deh.c | 407 +++++++++++-------- > ----- > drivers/dsp/bridge/hw/hw_mmu.c | 6 + > drivers/dsp/bridge/hw/hw_mmu.h | 2 + > drivers/dsp/bridge/pmgr/dev.c | 17 +- > drivers/dsp/bridge/rmgr/node.c | 5 +- > drivers/dsp/bridge/rmgr/proc.c | 29 +-- > 15 files changed, 215 insertions(+), 551 deletions(-) > delete mode 100644 drivers/dsp/bridge/core/mmu_fault.c > delete mode 100644 drivers/dsp/bridge/core/mmu_fault.h -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
