diff options
Diffstat (limited to 'copy_xstate_to_kernel-fix-typo-which-caused-gdb-regression.patch')
| -rw-r--r-- | copy_xstate_to_kernel-fix-typo-which-caused-gdb-regression.patch | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/copy_xstate_to_kernel-fix-typo-which-caused-gdb-regression.patch b/copy_xstate_to_kernel-fix-typo-which-caused-gdb-regression.patch deleted file mode 100644 index bde54072a..000000000 --- a/copy_xstate_to_kernel-fix-typo-which-caused-gdb-regression.patch +++ /dev/null @@ -1,53 +0,0 @@ -From MAILER-DAEMON Mon Jul 20 16:03:05 2020 -Date: Sat, 18 Jul 2020 00:20:03 -0700 -From: Kevin Buettner <kevinb@redhat.com> -To: Al Viro <viro@zeniv.linux.org.uk>, linux-kernel@vger.kernel.org -Subject: [PATCH] copy_xstate_to_kernel: Fix typo which caused GDB regression -Message-ID: <20200718002003.6e0a2aef@f32-m1.lan> -Sender: linux-kernel-owner@vger.kernel.org -List-ID: <linux-kernel.vger.kernel.org> -X-Mailing-List: linux-kernel@vger.kernel.org -MIME-Version: 1.0 -Content-Type: text/plain; charset="utf-8" -Content-Transfer-Encoding: 7bit - -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 <kevinb@redhat.com> -Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> ---- - 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 - - - |