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authorZach Koopmans <zkoopmans@google.com>2021-03-29 13:28:32 -0700
committergVisor bot <gvisor-bot@google.com>2021-03-29 13:30:21 -0700
commit8a2f7e716dcc62f04d2808e8ade34941c94fc956 (patch)
treeb2195d5728dcbc4f4e59c23ad95d7486ef744371 /pkg/sentry/kernel/eventfd/eventfd.go
parentb125afba416ebeba906ea595a44a55afe4729d64 (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/kernel/eventfd/eventfd.go')
-rw-r--r--pkg/sentry/kernel/eventfd/eventfd.go7
1 files changed, 4 insertions, 3 deletions
diff --git a/pkg/sentry/kernel/eventfd/eventfd.go b/pkg/sentry/kernel/eventfd/eventfd.go
index 2aca02fd5..4466fbc9d 100644
--- a/pkg/sentry/kernel/eventfd/eventfd.go
+++ b/pkg/sentry/kernel/eventfd/eventfd.go
@@ -23,6 +23,7 @@ import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/context"
"gvisor.dev/gvisor/pkg/fdnotifier"
+ "gvisor.dev/gvisor/pkg/hostarch"
"gvisor.dev/gvisor/pkg/sentry/fs"
"gvisor.dev/gvisor/pkg/sentry/fs/anon"
"gvisor.dev/gvisor/pkg/sentry/fs/fsutil"
@@ -186,7 +187,7 @@ func (e *EventOperations) read(ctx context.Context, dst usermem.IOSequence) erro
e.wq.Notify(waiter.WritableEvents)
var buf [8]byte
- usermem.ByteOrder.PutUint64(buf[:], val)
+ hostarch.ByteOrder.PutUint64(buf[:], val)
_, err := dst.CopyOut(ctx, buf[:])
return err
}
@@ -194,7 +195,7 @@ func (e *EventOperations) read(ctx context.Context, dst usermem.IOSequence) erro
// Must be called with e.mu locked.
func (e *EventOperations) hostWrite(val uint64) error {
var buf [8]byte
- usermem.ByteOrder.PutUint64(buf[:], val)
+ hostarch.ByteOrder.PutUint64(buf[:], val)
_, err := unix.Write(e.hostfd, buf[:])
if err == unix.EWOULDBLOCK {
return syserror.ErrWouldBlock
@@ -207,7 +208,7 @@ func (e *EventOperations) write(ctx context.Context, src usermem.IOSequence) err
if _, err := src.CopyIn(ctx, buf[:]); err != nil {
return err
}
- val := usermem.ByteOrder.Uint64(buf[:])
+ val := hostarch.ByteOrder.Uint64(buf[:])
return e.Signal(val)
}