On Fri, 2019-08-09 at 10:59 +0200, Christophe Leroy wrote: > > Le 09/08/2019 à 02:45, Alastair D'Silva a écrit : > > From: Alastair D'Silva <alastair@xxxxxxxxxxx> > > > > When calling flush_icache_range with a size >4GB, we were masking > > off the upper 32 bits, so we would incorrectly flush a range > > smaller > > than intended. > > > > This patch replaces the 32 bit shifts with 64 bit ones, so that > > the full size is accounted for. > > > > Heads-up for backporters: the old version of flush_dcache_range is > > subject to a similar bug (this has since been replaced with a C > > implementation). > > Can you submit a patch to stable, explaining this ? > This patch was sent to stable too - or did you mean send another patch for the stable asm version of flush_dcache_range? -- Alastair D'Silva Open Source Developer Linux Technology Centre, IBM Australia mob: 0423 762 819
