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Mon, 6 Jul 2026 05:19:13 +0000 (GMT) Message-ID: Date: Mon, 6 Jul 2026 10:49:12 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/5] sched: dynamic: Simplify preempt_schedule{,_notrace}() To: Mark Rutland , linux-kernel@vger.kernel.org Cc: frederic@kernel.org, jstultz@google.com, juri.lelli@redhat.com, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, vincent.guittot@linaro.org, vschneid@redhat.com References: <20260703133358.698078-1-mark.rutland@arm.com> <20260703133358.698078-4-mark.rutland@arm.com> From: Shrikanth Hegde Content-Language: en-US In-Reply-To: <20260703133358.698078-4-mark.rutland@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=Q/XiJY2a c=1 sm=1 tr=0 ts=6a4b3ad6 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=7CQSdrXTAAAA:8 a=VwQbUJbxAAAA:8 a=20KFwNOVAAAA:8 a=1XWaLZrsAAAA:8 a=JfrnYn6hAAAA:8 a=KKAkSRfTAAAA:8 a=VnNF1IyMAAAA:8 a=9KirwkiszLJ7um9oOqIA:9 a=QEXdDO2ut3YA:10 a=a-qgeE7W1pNrGK8U0ZQC:22 a=1CNFftbPRP8L7MoqJWF3:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-GUID: eZqfGbUtnmtI33HShe5b9myoQZIu1Pem X-Proofpoint-ORIG-GUID: OGFNVeFgkZ9relH3BrXW18sSLdKntb9P X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA2MDA1MCBTYWx0ZWRfX89aFi35bvB5p uv1K/1rm/IbEDnYBrOGnLGCkM5NubxsUWCBJYJJL66AKHZZTvYDDCBtspbmNOmnU4LA+xbTgbsU o1Y3a5ygK7y2rr7BrMObeN6Hwgc6i04= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA2MDA1MCBTYWx0ZWRfX14oQNqghJfzz TXA5HMSbwnzwBijpEtq6uR0LGJbx6I7KmSuTJ8JN7Z6wb7C/5vDwrLMJKTSL7wtZ659LwvPxv+q sciOBH+MlTx8lZmZBaNjbGGdXPYE0PoAPOZxDyW96lPD3nkbIfc3jAUeeF5cy/xISn3LEa6Mk/g bbN5P9P8CA4Ne3yT6R8BJMBTVc8AyGH+XbC7uYD2DL2w93lDCVBMEoPEAR6cltg1H7IQwcXWlpW uxNGB7O49kyF7y7dAufCT75t2oKSyP8XradgjZiwuewJCU+CcFLIF+eo1XUudoT+CaDCErreJQj TyLiMm+oNmjYXKwoF45xXG0NkM9JSSDQdROCGOQB4c+ehXAlfKh/QM92cEiXP29kCtOG5dl8Lly 7uSzbJBOcYqJ8eCWGp9Uf/wX2eh50XQDUo7Z5QFh51fGgtIe2RDIFyXKHg1o71cAKmZMOUOq03h J5QoD8pM9jS8nXdTMng== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-05_02,2026-07-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 spamscore=0 phishscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 lowpriorityscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607060050 On 7/3/26 7:03 PM, Mark Rutland wrote: > PREEMPT_DYNAMIC is now limited to the FULL and LAZY preemption models. > In either model, both preempt_schedule() and preempt_schedule_notrace() > are always called and never disabled. > > Remove the unnecessary code for these when PREEMPT_DYNAMIC is selected. > > Signed-off-by: Mark Rutland > Cc: Frederic Weisbecker > Cc: Ingo Molnar > Cc: John Stultz > Cc: Juri Lelli > Cc: Peter Zijlstra > Cc: Thomas Gleixner > Cc: Valentin Schneider > Cc: Vincent Guittot > --- Reviewed-by: Shrikanth Hegde