summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/xsave.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2012-02-19 16:03:15 -0500
committerDavid S. Miller <davem@davemloft.net>2012-02-19 16:03:15 -0500
commit32efe08d77f5902ce7315fc9003c010ffffb8268 (patch)
tree40a88e6bae4e797cafce33f16a25e350c038f9bb /arch/x86/kernel/xsave.c
parentda1943164677ae2cdd630196b79089d476726348 (diff)
parentb01543dfe67bb1d191998e90d20534dc354de059 (diff)
downloadop-kernel-dev-32efe08d77f5902ce7315fc9003c010ffffb8268.zip
op-kernel-dev-32efe08d77f5902ce7315fc9003c010ffffb8268.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c Small minor conflict in bnx2x, wherein one commit changed how statistics were stored in software, and another commit fixed endianness bugs wrt. reading the values provided by the chip in memory. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/x86/kernel/xsave.c')
-rw-r--r--arch/x86/kernel/xsave.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
index a391134..7110911 100644
--- a/arch/x86/kernel/xsave.c
+++ b/arch/x86/kernel/xsave.c
@@ -47,7 +47,7 @@ void __sanitize_i387_state(struct task_struct *tsk)
if (!fx)
return;
- BUG_ON(task_thread_info(tsk)->status & TS_USEDFPU);
+ BUG_ON(__thread_has_fpu(tsk));
xstate_bv = tsk->thread.fpu.state->xsave.xsave_hdr.xstate_bv;
@@ -168,7 +168,7 @@ int save_i387_xstate(void __user *buf)
if (!used_math())
return 0;
- if (task_thread_info(tsk)->status & TS_USEDFPU) {
+ if (user_has_fpu()) {
if (use_xsave())
err = xsave_user(buf);
else
@@ -176,8 +176,7 @@ int save_i387_xstate(void __user *buf)
if (err)
return err;
- task_thread_info(tsk)->status &= ~TS_USEDFPU;
- stts();
+ user_fpu_end();
} else {
sanitize_i387_state(tsk);
if (__copy_to_user(buf, &tsk->thread.fpu.state->fxsave,
@@ -292,10 +291,7 @@ int restore_i387_xstate(void __user *buf)
return err;
}
- if (!(task_thread_info(current)->status & TS_USEDFPU)) {
- clts();
- task_thread_info(current)->status |= TS_USEDFPU;
- }
+ user_fpu_begin();
if (use_xsave())
err = restore_user_xstate(buf);
else
OpenPOWER on IntegriCloud