>-----Original Message----- >From: David Hildenbrand <da...@redhat.com> >Sent: Friday, July 22, 2022 2:49 PM >To: Duan, Zhenzhong <zhenzhong.d...@intel.com>; qemu- >de...@nongnu.org >Cc: pbonz...@redhat.com; pet...@redhat.com; f4...@amsat.org >Subject: Re: [PATCH] softmmu/physmem: Fix input parameters for >flatview_access_allowed() > >On 22.06.22 03:28, Zhenzhong Duan wrote: >> The comment of flatview_access_allowed() suggests to pass address >> within that memory region, this isn't ture in some call sites. > >s/ture/true/
Will fix. > >> >> This makes qemu log in flatview_access_allowed() confusing and >> potential risk if the input parameter will be checked in the future. >> >> Fixes: 3ab6fdc91b72 ("softmmu/physmem: Introduce MemTxAttrs::memory >> field and MEMTX_ACCESS_ERROR") > >My opinion is to not use fixes tags unless there is really something broken -- >a user-visible effect of a BUG exists. Thanks David, I will remove it in v2. Zhenzhong > >> Signed-off-by: Zhenzhong Duan <zhenzhong.d...@intel.com> >> --- >> softmmu/physmem.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/softmmu/physmem.c b/softmmu/physmem.c index >> fb16be57a6c6..214cb04c8fc3 100644 >> --- a/softmmu/physmem.c >> +++ b/softmmu/physmem.c >> @@ -2850,7 +2850,7 @@ static MemTxResult flatview_write(FlatView *fv, >> hwaddr addr, MemTxAttrs attrs, >> >> l = len; >> mr = flatview_translate(fv, addr, &addr1, &l, true, attrs); >> - if (!flatview_access_allowed(mr, attrs, addr, len)) { >> + if (!flatview_access_allowed(mr, attrs, addr1, l)) { >> return MEMTX_ACCESS_ERROR; >> } >> return flatview_write_continue(fv, addr, attrs, buf, len, @@ >> -2917,7 +2917,7 @@ static MemTxResult flatview_read(FlatView *fv, >> hwaddr addr, >> >> l = len; >> mr = flatview_translate(fv, addr, &addr1, &l, false, attrs); >> - if (!flatview_access_allowed(mr, attrs, addr, len)) { >> + if (!flatview_access_allowed(mr, attrs, addr1, l)) { >> return MEMTX_ACCESS_ERROR; >> } >> return flatview_read_continue(fv, addr, attrs, buf, len, > >Reviewed-by: David Hildenbrand <da...@redhat.com> > >-- >Thanks, > >David / dhildenb