Messages in this thread | | | From | Philipp Tomsich <> | Date | Wed, 13 Apr 2022 11:16:22 +0200 | Subject | Re: [PATCH v9 11/12] riscv: don't use global static vars to store alternative data |
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On Wed, 13 Apr 2022 at 05:05, Heiko Stuebner <heiko@sntech.de> wrote: > > Right now the code uses a global struct to store vendor-ids > and another global variable to store the vendor-patch-function. > > There exist specific cases where we'll need to patch the kernel > at an even earlier stage, where trying to write to a static > variable might actually result in hangs. > > Also collecting the vendor-information consists of 3 sbi-ecalls > (or csr-reads) which is pretty negligible in the context of > booting a kernel. > > So rework the code to not rely on static variables and instead > collect the vendor-information when a round of alternatives is > to be applied. > > Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Philipp Tomsich <philipp.tomsich@vrull.eu>
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