On 07/09/2022 17:01, Sean Christopherson wrote:
On Tue, Aug 02, 2022, Jinrong Liang wrote:From: Jinrong Liang <cloudliang@xxxxxxxxxxx> The following warning appears when executing: make -C tools/testing/selftests/kvm rseq_test.c: In function ‘main’: rseq_test.c:237:33: warning: implicit declaration of function ‘gettid’; did you mean ‘getgid’? [-Wimplicit-function-declaration] (void *)(unsigned long)gettid()); ^~~~~~ getgid /usr/bin/ld: /tmp/ccr5mMko.o: in function `main': ../kvm/tools/testing/selftests/kvm/rseq_test.c:237: undefined reference to `gettid' collect2: error: ld returned 1 exit status make: *** [../lib.mk:173: ../kvm/tools/testing/selftests/kvm/rseq_test] Error 1 Use the more compatible syscall(SYS_gettid) instead of gettid() to fix it. More subsequent reuse may cause it to be wrapped in a lib file. Signed-off-by: Jinrong Liang <cloudliang@xxxxxxxxxxx> ---Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Can a 'Cc: stable@xxxxxxxxxxxxxxx' be added also as e923b0537d28 got backported to v5.15.58
Reviewed-by: Liam Merwick <liam.merwick@xxxxxxxxxx>
Paolo, do you want to grab this for 6.0? It doesn't look like we're going to have a more elegant solution anytime soon...
