Messages in this thread | | | From | Christophe Leroy <> | Subject | Re: [PATCH v1 0/4] Kill the time spent in patch_instruction() | Date | Tue, 17 May 2022 06:44:36 +0000 |
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Le 15/05/2022 à 12:28, Michael Ellerman a écrit : > On Tue, 22 Mar 2022 16:40:17 +0100, Christophe Leroy wrote: >> This series reduces by 70% the time required to activate >> ftrace on an 8xx with CONFIG_STRICT_KERNEL_RWX. >> >> Measure is performed in function ftrace_replace_code() using mftb() >> around the loop. >> >> With the series, >> - Without CONFIG_STRICT_KERNEL_RWX, 416000 TB ticks are measured. >> - With CONFIG_STRICT_KERNEL_RWX, 546000 TB ticks are measured. >> >> [...] > > Patches 1, 3 and 4 applied to powerpc/next. > > [1/4] powerpc/code-patching: Don't call is_vmalloc_or_module_addr() without CONFIG_MODULES > https://git.kernel.org/powerpc/c/cb3ac45214c03852430979a43180371a44b74596 > [3/4] powerpc/code-patching: Use jump_label for testing freed initmem > https://git.kernel.org/powerpc/c/b033767848c4115e486b1a51946de3bee2ac0fa6 > [4/4] powerpc/code-patching: Use jump_label to check if poking_init() is done > https://git.kernel.org/powerpc/c/1751289268ef959db68b0b6f798d904d6403309a >
Patch 2 was the keystone of this series. What happened to it ?
Christophe
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