| Message ID | CAKv+Gu-=C_WwO30D=0nZCx9FMhj7qrHFzvkk4xnG81Y0t1bdUw@mail.gmail.com |
|---|---|
| State | New |
| Headers | show |
On 30 August 2016 at 17:57, Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote: > Hello Russell, > > The following changes since commit 3eab887a55424fc2c27553b7bfe32330df83f7b8: > > Linux 4.8-rc4 (2016-08-28 15:04:33 -0700) > > are available in the git repository at: > > git://git.linaro.org/people/ard.biesheuvel/linux-arm.git \ > tags/arm-plt-optimizations-for-v4.9 > > for you to fetch changes up to 66e94ba3c8ea5ff5f1443a50441f953ef44010b1: > > ARM: kernel: avoid brute force search on PLT generation > (2016-08-30 17:45:34 +0100) > > ---------------------------------------------------------------- > This series of 4 patches optimizes the ARM PLT generation code that > is invoked at module load time, to get rid of the O(n^2) algorithm > that results in pathological load times of 10 seconds or more for > large modules on certain STB platforms > > ---------------------------------------------------------------- > Ard Biesheuvel (4): > ARM: kernel: merge core and init PLTs > ARM: kernel: allocate PLT entries only for external symbols > ARM: kernel: sort relocation sections before allocating PLTs > ARM: kernel: avoid brute force search on PLT generation > > arch/arm/include/asm/module.h | 6 +- > arch/arm/kernel/module-plts.c | 243 +++++++++++++++++++++++++----------------- > arch/arm/kernel/module.lds | 3 +- > 3 files changed, 147 insertions(+), 105 deletions(-) > Ping?
On Mon, Sep 12, 2016 at 03:35:53PM +0100, Ard Biesheuvel wrote: > On 30 August 2016 at 17:57, Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote: > > Hello Russell, > > > > The following changes since commit 3eab887a55424fc2c27553b7bfe32330df83f7b8: > > > > Linux 4.8-rc4 (2016-08-28 15:04:33 -0700) > > > > are available in the git repository at: > > > > git://git.linaro.org/people/ard.biesheuvel/linux-arm.git \ > > tags/arm-plt-optimizations-for-v4.9 > > > > for you to fetch changes up to 66e94ba3c8ea5ff5f1443a50441f953ef44010b1: > > > > ARM: kernel: avoid brute force search on PLT generation > > (2016-08-30 17:45:34 +0100) > > > > ---------------------------------------------------------------- > > This series of 4 patches optimizes the ARM PLT generation code that > > is invoked at module load time, to get rid of the O(n^2) algorithm > > that results in pathological load times of 10 seconds or more for > > large modules on certain STB platforms > > > > ---------------------------------------------------------------- > > Ard Biesheuvel (4): > > ARM: kernel: merge core and init PLTs > > ARM: kernel: allocate PLT entries only for external symbols > > ARM: kernel: sort relocation sections before allocating PLTs > > ARM: kernel: avoid brute force search on PLT generation > > > > arch/arm/include/asm/module.h | 6 +- > > arch/arm/kernel/module-plts.c | 243 +++++++++++++++++++++++++----------------- > > arch/arm/kernel/module.lds | 3 +- > > 3 files changed, 147 insertions(+), 105 deletions(-) > > > > Ping? It's been pulled, been through testing and I'm going to be pushing it out into -next soon.
On 12 September 2016 at 15:37, Russell King - ARM Linux <linux@armlinux.org.uk> wrote: > On Mon, Sep 12, 2016 at 03:35:53PM +0100, Ard Biesheuvel wrote: >> On 30 August 2016 at 17:57, Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote: >> > Hello Russell, >> > >> > The following changes since commit 3eab887a55424fc2c27553b7bfe32330df83f7b8: >> > >> > Linux 4.8-rc4 (2016-08-28 15:04:33 -0700) >> > >> > are available in the git repository at: >> > >> > git://git.linaro.org/people/ard.biesheuvel/linux-arm.git \ >> > tags/arm-plt-optimizations-for-v4.9 >> > >> > for you to fetch changes up to 66e94ba3c8ea5ff5f1443a50441f953ef44010b1: >> > >> > ARM: kernel: avoid brute force search on PLT generation >> > (2016-08-30 17:45:34 +0100) >> > >> > ---------------------------------------------------------------- >> > This series of 4 patches optimizes the ARM PLT generation code that >> > is invoked at module load time, to get rid of the O(n^2) algorithm >> > that results in pathological load times of 10 seconds or more for >> > large modules on certain STB platforms >> > >> > ---------------------------------------------------------------- >> > Ard Biesheuvel (4): >> > ARM: kernel: merge core and init PLTs >> > ARM: kernel: allocate PLT entries only for external symbols >> > ARM: kernel: sort relocation sections before allocating PLTs >> > ARM: kernel: avoid brute force search on PLT generation >> > >> > arch/arm/include/asm/module.h | 6 +- >> > arch/arm/kernel/module-plts.c | 243 +++++++++++++++++++++++++----------------- >> > arch/arm/kernel/module.lds | 3 +- >> > 3 files changed, 147 insertions(+), 105 deletions(-) >> > >> >> Ping? > > It's been pulled, been through testing and I'm going to be pushing it > out into -next soon. > OK, thanks.
Hello Russell, The following changes since commit 3eab887a55424fc2c27553b7bfe32330df83f7b8: Linux 4.8-rc4 (2016-08-28 15:04:33 -0700) are available in the git repository at: git://git.linaro.org/people/ard.biesheuvel/linux-arm.git \ tags/arm-plt-optimizations-for-v4.9 for you to fetch changes up to 66e94ba3c8ea5ff5f1443a50441f953ef44010b1: ARM: kernel: avoid brute force search on PLT generation (2016-08-30 17:45:34 +0100) ---------------------------------------------------------------- This series of 4 patches optimizes the ARM PLT generation code that is invoked at module load time, to get rid of the O(n^2) algorithm that results in pathological load times of 10 seconds or more for large modules on certain STB platforms ---------------------------------------------------------------- Ard Biesheuvel (4): ARM: kernel: merge core and init PLTs ARM: kernel: allocate PLT entries only for external symbols ARM: kernel: sort relocation sections before allocating PLTs ARM: kernel: avoid brute force search on PLT generation arch/arm/include/asm/module.h | 6 +- arch/arm/kernel/module-plts.c | 243 +++++++++++++++++++++++++----------------- arch/arm/kernel/module.lds | 3 +- 3 files changed, 147 insertions(+), 105 deletions(-) Thanks, Ard.