Just adding Linus, as Al is oft distracted.
Dave. > > This commit fixes a regression encountered while running the > gdb.base/corefile.exp test in GDB's test suite. > > In my testing, the typo prevented the sw_reserved field of struct > fxregs_state from being output to the kernel XSAVES area. Thus the > correct mask corresponding to XCR0 was not present in the core file > for GDB to interrogate, resulting in the following behavior: > > [kev@f32-1 gdb]$ ./gdb -q testsuite/outputs/gdb.base/corefile/corefile > testsuite/outputs/gdb.base/corefile/corefile.core > Reading symbols from testsuite/outputs/gdb.base/corefile/corefile... > [New LWP 232880] > > warning: Unexpected size of section `.reg-xstate/232880' in core file. > > With the typo fixed, the test works again as expected. > > Signed-off-by: Kevin Buettner <kev...@redhat.com> > --- > arch/x86/kernel/fpu/xstate.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c > index 6a54e83d5589..9cf40a7ff7ae 100644 > --- a/arch/x86/kernel/fpu/xstate.c > +++ b/arch/x86/kernel/fpu/xstate.c > @@ -1022,7 +1022,7 @@ int copy_xstate_to_kernel(void *kbuf, struct > xregs_state *xsave, unsigned int of > copy_part(offsetof(struct fxregs_state, st_space), 128, > &xsave->i387.st_space, &kbuf, &offset_start, > &count); > if (header.xfeatures & XFEATURE_MASK_SSE) > - copy_part(xstate_offsets[XFEATURE_MASK_SSE], 256, > + copy_part(xstate_offsets[XFEATURE_SSE], 256, > &xsave->i387.xmm_space, &kbuf, &offset_start, > &count); > /* > * Fill xsave->i387.sw_reserved value for ptrace frame: > -- > 2.26.2 > >