diff options
author | Zach Koopmans <zkoopmans@google.com> | 2021-03-29 13:28:32 -0700 |
---|---|---|
committer | gVisor bot <gvisor-bot@google.com> | 2021-03-29 13:30:21 -0700 |
commit | 8a2f7e716dcc62f04d2808e8ade34941c94fc956 (patch) | |
tree | b2195d5728dcbc4f4e59c23ad95d7486ef744371 /pkg/sentry/fsimpl/host | |
parent | b125afba416ebeba906ea595a44a55afe4729d64 (diff) |
[syserror] Split usermem package
Split usermem package to help remove syserror dependency in go_marshal.
New hostarch package contains code not dependent on syserror.
PiperOrigin-RevId: 365651233
Diffstat (limited to 'pkg/sentry/fsimpl/host')
-rw-r--r-- | pkg/sentry/fsimpl/host/BUILD | 1 | ||||
-rw-r--r-- | pkg/sentry/fsimpl/host/host.go | 5 | ||||
-rw-r--r-- | pkg/sentry/fsimpl/host/save_restore.go | 4 |
3 files changed, 6 insertions, 4 deletions
diff --git a/pkg/sentry/fsimpl/host/BUILD b/pkg/sentry/fsimpl/host/BUILD index 4ae9d6d5e..b94dfeb7f 100644 --- a/pkg/sentry/fsimpl/host/BUILD +++ b/pkg/sentry/fsimpl/host/BUILD @@ -47,6 +47,7 @@ go_library( "//pkg/context", "//pkg/fdnotifier", "//pkg/fspath", + "//pkg/hostarch", "//pkg/iovec", "//pkg/log", "//pkg/marshal/primitive", diff --git a/pkg/sentry/fsimpl/host/host.go b/pkg/sentry/fsimpl/host/host.go index b9cce4181..3b90375b6 100644 --- a/pkg/sentry/fsimpl/host/host.go +++ b/pkg/sentry/fsimpl/host/host.go @@ -26,6 +26,7 @@ import ( "gvisor.dev/gvisor/pkg/context" "gvisor.dev/gvisor/pkg/fdnotifier" "gvisor.dev/gvisor/pkg/fspath" + "gvisor.dev/gvisor/pkg/hostarch" "gvisor.dev/gvisor/pkg/log" "gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs" "gvisor.dev/gvisor/pkg/sentry/hostfd" @@ -431,8 +432,8 @@ func (i *inode) SetStat(ctx context.Context, fs *vfs.Filesystem, creds *auth.Cre } oldSize := uint64(hostStat.Size) if s.Size < oldSize { - oldpgend, _ := usermem.PageRoundUp(oldSize) - newpgend, _ := usermem.PageRoundUp(s.Size) + oldpgend, _ := hostarch.PageRoundUp(oldSize) + newpgend, _ := hostarch.PageRoundUp(s.Size) if oldpgend != newpgend { i.CachedMappable.InvalidateRange(memmap.MappableRange{newpgend, oldpgend}) } diff --git a/pkg/sentry/fsimpl/host/save_restore.go b/pkg/sentry/fsimpl/host/save_restore.go index 5688bddc8..31301c715 100644 --- a/pkg/sentry/fsimpl/host/save_restore.go +++ b/pkg/sentry/fsimpl/host/save_restore.go @@ -21,9 +21,9 @@ import ( "golang.org/x/sys/unix" "gvisor.dev/gvisor/pkg/fdnotifier" + "gvisor.dev/gvisor/pkg/hostarch" "gvisor.dev/gvisor/pkg/safemem" "gvisor.dev/gvisor/pkg/sentry/hostfd" - "gvisor.dev/gvisor/pkg/usermem" ) // beforeSave is invoked by stateify. @@ -38,7 +38,7 @@ func (i *inode) beforeSave() { // EBADF from the read. i.bufMu.Lock() defer i.bufMu.Unlock() - var buf [usermem.PageSize]byte + var buf [hostarch.PageSize]byte for { n, err := hostfd.Preadv2(int32(i.hostFD), safemem.BlockSeqOf(safemem.BlockFromSafeSlice(buf[:])), -1 /* offset */, 0 /* flags */) if n != 0 { |