From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Wang Date: Thu, 25 Mar 2021 16:56:18 +0800 Subject: [LTP] [PATCH 0/3] s390 vdso fixes In-Reply-To: <20210323215819.4161164-1-hca@linux.ibm.com> References: <20210323215819.4161164-1-hca@linux.ibm.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ltp@lists.linux.it Hi Heiko, On Wed, Mar 24, 2021 at 5:58 AM Heiko Carstens wrote: > Li Wang reported that clock_gettime(CLOCK_MONOTONIC_RAW, ...) does not > work correctly on s390 via vdso. Debugging this also revealed an > unrelated bug (first patch). > > The second patch fixes the problem: the tod clock steering parameters > required by __arch_get_hw_counter() are only present within the first > element of the _vdso_data array and not at all within the _timens_data > array. > > Instead of working around this simply provide an s390 specific vdso > data page which contains the tod clock steering parameters. > > This allows also to remove ARCH_HAS_VDSO_DATA again. > > Heiko Carstens (3): > s390/vdso: fix tod clock steering > s390/vdso: fix arch_data access for __arch_get_hw_counter() > lib/vdso: remove struct arch_vdso_data from vdso data struct > Thanks for the quick fix! I confirmed these patches work for me. (tested with latest mainline kernel v5.12-rc4) Tested-by: Li Wang -- Regards, Li Wang -------------- next part -------------- An HTML attachment was scrubbed... URL: